Vesper DIY repair

In detail: do-it-yourself vesper repair from a real master for the site my.housecope.com.

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Posts: 1180

I will describe in more detail.
I inherited a burned-out 7011 at work. One IGBT scattered, changed all three. I immediately found a burnt out high-speed fuse (80A), changed it .. One channel still did not work, found a punctured transistor in one of the IGBT controls, found still faulty opto-assemblies in this channel, after which the frequency converter began to start. Then I was delighted and installed it in its regular place (pump control), but it worked for only 8 minutes and stopped with the error “short circuit at the output”. I had to shoot (

Can anyone have any ideas? And I would like to understand how he defines his KZ, what criteria does he use?

Warnings: 1

Posts: 4116

Dmitry65

ROCK

Dmitry65

mvlab

Yes, there probably are IGBT keys in the assembly, or separately. They die most often.

Dmitry65

Eats

Video (click to play).

tohasadist

weak only. kilowatt 10 maximum

tohasadist

strange, we mainly have S200 / 30 FCs, and even then, they seem more, although they are so bad.

Hellephant

ROCK , There is a Talmud for Vesper E2-8300, as much as 100 pages, if anything helps, I can scan it, send it.

A frequency converter is a special-purpose device that allows you to control the rotation speed of electric motors. Their ease of use and design have helped frequency converters become the most common devices in various industrial and urban sectors.

As elsewhere, in addition to the advantages, frequency converters also have some disadvantages, mainly associated with all sorts of breakdowns and malfunctions. Users of these devices should be aware of what kind of breakdowns and malfunctions of frequency converters can occur.

Lack of response from the converter to the control panel. Most often, this can happen as a result of incorrect settings, and, as a rule, after setting the correct parameters, this problem will be resolved.
The engine does not rotate. This situation is surprisingly common. One of the most probable reasons is too low or, conversely, high voltage at the input or output of the frequency converter. To prevent such failures, the load on the engine must be constantly adjusted.
Rotation of the motor at the same constant speed. Any expert will say that this happens as a result of determining the wrong frequency parameters of the device. Again, the load on the device should be kept within the optimum range.
Overheating of the engine. Of course, the reason lies in the climatic conditions of the operation of the frequency converter. If the fan does not cope with its work, it stops cooling the equipment, as a result, the device breaks down.

Frequency converters, the price of which depends on their individual characteristics, are in great demand at the moment among buyers.This is quite understandable, because frequency converters allow you to extend the life of the equipment.

Having discovered faults or breakdowns of frequency converters, users are immediately faced with a choice: to repair the frequency converter with their own hands or to contact a specialist? Of course, many people decide to repair themselves. However, then it becomes clear that this is a very long time, painful and, moreover, is fraught with the final disabling of an expensive unit.

Fortunately, our online store of electrical equipment ENERGOPUSK can help you with the repair of frequency converters. Experts will provide you with consulting services on equipment and carry out high-quality repairs at affordable prices.

Many buyers believe that specialists should be contacted for the reason that they provide a guarantee, while “do-it-yourself” repairs do not guarantee this. In addition, it is not uncommon for users, by interfering with the device, to worsen its condition and lead to its final breakdown.

Today in the industry, the basis of a controlled drive is made up of AC motors working in conjunction with frequency converters. The number of such systems only increases every year, respectively, there is a certain flow of failures of such equipment. Considering that the price of even the simplest models starts at around 10 thousand rubles, the need for repair of frequency converters is constantly growing.

The components of the power circuit become the nodes most susceptible to failures in frequency converters. Typically, these include a mains rectifier and a transistor inverter. The reasons for refusals can be very different. For instance:

short circuit in case of ingress of foreign objects or liquids;
overheating of circuits, due to pollution;
interference from the supply network;
accidents related to engine problems;
other.

In most cases, they lead to the failure of one of the power modules, or several at once.

Fixing a power circuit malfunction is quite simple. A malfunction of the input rectifier when the supply voltage is applied to the converter, leads to the operation of the input circuit breaker, or the display does not show any signs of life. If the rectifier is working properly, the control system functions normally, while attempts to start the engine, even with reduced parameters, lead to an error such as overload, open circuit or short circuit in the engine.

As an example, the repair of a China-made Prostar 6000 4S2G series frequency inverter is shown. Upon inspection, you can immediately diagnose a power circuit malfunction, since when power is applied, the input circuit breaker is triggered. Opening the transmitter housing of this model is not particularly difficult, since the top cover is held on by latches, and all internal mechanical elements are connected with screws.

After opening, the input rectifier was dialed with a multimeter, which confirmed the fact of the failure of the latter. All variants of the position of the probes showed a short circuit of the internal circuits. In this case, the varistor at the input turned out to be intact. A similar situation made us doubt the serviceability of the transistor module. Unfortunately, in this model of the transducer, only its lower part can be visually inspected. For further action, both elements have been removed. Even a cursory examination of the upper side of the transistor module left no doubt about its failure.

Further, to check the serviceability of the internal circuits, instead of the standard rectifier of the KBJ1510 series, a similar serviceable one was soldered and it was switched on again without a power module.To our great joy, the control circuit started up normally, the numbers on the display lit up, the converter began to respond to pressing the buttons.

Further repair of the Prostar frequency converter with our own hands consisted in replacing the transistor module, since in this case it is made in the form of a single PS219A5 microcircuit. It was not possible to find one in Russia, so I had to wait a month for it to arrive from China. After replacing the module, the inverter started up again and the connected motor began to rotate.

The assembly was carried out in the reverse order, while the thermal grease on the radiators was additionally updated and the boards and internal parts were cleaned from contamination. The stress test also gave positive results. Unfortunately, the shown do-it-yourself repair of the frequency converter is one of the simplest and it does not always end with only the replacement of two modules.

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The picture is like this. turning on the emergency after parking, it normally works for 6-7 minutes, then stop and the error “short circuit at the exit”. If you reset the error and start again, then the error is issued almost immediately at startup, although sometimes it happens that it accelerates and works for a short time, then again the error. If you do not disconnect from the network, but keep in stop mode, then after the start, the time before the error occurs is also small. As if some element heats up when turned on and provokes an error. If you turn off the power supply and let it stand for a few minutes, and then turn on and start the motor, then the time before the error is again 6-7 minutes.

Checked on three engines - the picture is about the same. Moreover, other chastotniks with these motors work normally. Now a test one is connected on the table in idle mode. I tried it before without an engine, but not for a long time, by the way, I must try. Without a motor, the error did not occur, although it did not last long.

And how to make a full reset, by the way? there was such an idea ..

I found a question on one of the forums with the same problem as mine for Vespers of the year 2011, but there the second answer was that another had the same problem, but there was no advice. So I think, maybe this is the subtlety of the Vespers?

I did not find a schematic diagram, but according to the wiring there are no low-resistance resistances, the rectified input voltage through a capacitive filter is immediately fed to the IGBT modules, and from them immediately to the output. There are, of course, current transformers at the outputs, but they, apparently, do not participate in the diagnosis of short-circuit. I tried to start without them - the engine starts, only the vibration increases noticeably. The error “short circuit at the output” also appears as with them. Turning off the fans - immediately the error "Overheating" (or something like). He lubricated the fans themselves, cleaned the radiator from dust. Disconnected the temperature sensor, error “short circuit. ”Arises in the same way. None of the elements get too hot to the touch. Well, or I did not check everything, only which it was not dumb to touch)

On one of the varieties of the EI-7011, there is really a "DC sensor", but on mine this one is not even divorced.

So it’s interesting, what criteria does the processor use to decide that it has a short circuit at the output?

I double-checked the constants - I did not find anything criminal.

I don't know where to dig yet. Can you tell me?
If you don't sleep with the problem, the solution will not be born.

Members
915 posts

Krasnoyarsk city
Name: Alexey

Comrades! On the occasion of inexpensively got two Used chastotniki: Vesper E2-8300-S1L and Vesper E2-MINI-S1L
When trying to connect, there is silence on both.
At terminals T1-T2-T3, the voltage is zero, the motor (checked, serviceable at 550 W) is standing.
The indication on the built-in display is all working. Programming takes place without any problems. I reset both chastotniks to the factory settings, just in case.
Vesper E2-8300-S1L, when you press the start button, shows a smooth increase in frequency to the set, as if everything is working.But the engine is worth it!
Vesper E2-MINI-S1L, when pressing the start, gives an error “OCA” - “overcurrent during acceleration”.

The essence of my request: help me decide - are the frequency workers out of order? Is it worth bothering with the search for specialists for repairs or is it better not to contact and return as faulty?

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        915 posts
        
        Krasnoyarsk city
        
        Name: Alexey
        
        Over the entire period of our work, we have accumulated vast experience in repairing VESPER frequency converters of varying complexity.
        The company ”LLC” Electrofor offers services for warranty and post-warranty repair of VESPER frequency converters in Tver.
        
        Our specialists are trained, certified, have extensive experience with a variety of drive technology, both imported and domestically produced.
        
        All work is carried out by experienced specialists and in the future our clients can count on technical support and warranty service. Repair is carried out not at the level of replacing boards and faulty converters, but at the level of replacing faulty elements in faulty boards, which is important in a crisis, since significantly reduces the cost of repairs.
        
        Modern equipment, competent specialists and a large warehouse of components allow us to carry out repair work in a short time and at a high professional level.
        We restore the operability to equipment of both domestic and foreign production, we have extensive experience working with the brands Bosch, Parker Hannifin, KEB, Control Techniques, Danfoss, Vacon, Vesper, Omron, Simens, ABB, etc.
        Repairs are carried out in strict accordance with all technical requirements.
        
        Industrial automation and equipment for it.
        
        A little about the design of the converter. After OMRON, SIEMENS, HITACHI, the VESPER design seemed very simple, and the assembly was sloppy. A large number of pin-mounted radio components apparently caused the use of manual operations during assembly. This is also confirmed by ugly rations and rosin stains on the board and parts.
        
        IGBT transistors are controlled by the IR2133 driver. A custom TECO E2 microcircuit is used to control the entire converter. Apparently the VESPER E2-MINI converter is a copy of the E2-2P2 converter of the American company TECO. Perhaps it is simply assembled from separate boards, because the processor board did not raise any quality claims.
        
        This article will focus on a frequency converter, in the common people, a frequency converter. This frequency drive, and in the future a frequency drive, is able to control a 3-phase asynchronous motor. In this frequency drive (FD), I use an intelligent power module from International Rectifier, specifically IRAMS10UP60B (on AliExpress), the only thing I did with it was bent the legs, so, in fact, the module turned out IRAMS10UP60B-2... The choice for this module fell mainly due to the built-in driver. The main feature of the built-in driver is the ability to use 3 PWM channels instead of 6 PWM channels. In addition, the price for this module on eBay is about 270 rubles. I use ATmega48 as a control controller.
        
        When developing this drive, I focused on the efficiency of the design, the minimum cost, the availability of the necessary protections, and the flexibility of the design. The result is a frequency drive with the following characteristics (functions):
        
        Output frequency 5-200Hz
        
        Frequency gain speed 5-50Hz per second
        
        Frequency reduction rate 5-50Hz per second
        
        4 fixed speed (each from 5-200Hz)
        
        Volt additive 0-20%
        
        Two “factory” settings that can always be activated
        
        Motor magnetizing function
        
        Full engine stop function
        
        Reverse input (as without it)
        
        Ability to change the U / F characteristic
        
        Frequency setting with variable resistor
        
        Temperature monitoring of the IGBT module (alarm in case of overheating and stoppage of the drive)
        
        DC link voltage monitoring (DC link overvoltage, undervoltage, signaling and drive stop)
        
        Pre charge DC link
        
        The maximum power with this module is 750W, but it also turns 1.1kw on my CNC
        
        All this on one 8 x 13 cm board.
        
        At the moment, protection against overcurrent or short circuit has not been implemented (I think it makes no sense, although I left a free leg in the MC with an interruption to change)
        
        Actually, the diagram of this device.
        
        Below is a photo of what I got.
        
        Printed circuit board of this device (available in lay under the iron)
        
        This photo shows a fully working copy, tested and run-in (does not have a panel on the left). The second is for the atmega 48 test before shipping (located on the right).
        
        In this photo, the same irams (I did it with a margin, iramx16up60b should fit)
        Algorithm of the device
        
        Initially, the MK (microcontroller) is configured to work with an electric motor with a nominal voltage of 220V at a rotating field frequency of 50Hz (i.e. a conventional asynchronous device with 220V 50Hz written on it). The speed of the frequency gain is set at 15Hz / sec. (I.e. acceleration to 50Hz will take just over 3 seconds, up to 150Hz-10 seconds). The volt addition is set at 10%, the duration of the magnetization is 1 sec. (constant value unchanged), duration of DC braking 1 sec. (constant value is unchanged). It should be noted that the voltage during magnetization, as well as during braking, is the voltage of the addition volts and changes simultaneously. By the way, the frequency converter is scalar, i.e. as the output frequency rises, the output voltage increases.
        
        After power is applied, the dc link capacitance is charged. As soon as the voltage reaches 220V (constant) with a certain delay, the precharge relay turns on and my only LED L1 lights up. At this point, the drive is ready to start. There are 6 inputs to control the frequency converter:
        
        On (if only this input is given, the frequency converter will rotate the motor with a frequency of 5Hz)
        
        On + reverse (if only this input is given, the frequency converter will rotate the motor with a frequency of 5Hz, but in the other direction)
        
        1 fixed frequency (set by R1)
        
        2 fixed frequency (set by R2)
        
        3 fixed frequency (set by R3)
        
        4 fixed frequency (set by R4)
        
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        There is one But in this management. If, during the rotation of the motor, the reference on the resistor is changed, then it will change only after the repeated command (on) or (on + reverse). In other words, the data from the resistors is read while these two signals are absent. If you plan to adjust the speed with a resistor during operation, then you need to set the jumper J1. In this mode, only the first resistor is active, and the resistor R4 limits the maximum frequency, that is, if it is set to 50% (2.5 volts 4 "pin". In the photo below 5 ground), then the frequency of R1 will be regulated by a resistor from 5 to 100Hz.
        
        To set the rotation frequency, it must be borne in mind that 5v at the input to the MK corresponds to 200Hz., 1v-40Hz, 1.25v-50Hz, etc. To measure the voltage, contacts 1-5 are provided, where 1-4 correspond to the numbers of the resistors, 5 is the common minus (in the photo below).Resistor R5 is used to adjust the voltage scaling of the DC link 1V -100V (on the R30 diagram).
        
        Arrangement of elements
        Attention! The circuit board contains life-threatening voltages. The control inputs are decoupled by optocouplers.
        
        Customization features
        
        Setting up the drive before the first start is reduced to checking the installation of electronic components and setting the voltage divider for the DC link (R2).
        
        100 Volts of the DC link must correspond to 1 volt at 23 (MK leg) - this is IMPORTANT. This completes the setup.
        
        Before applying the mains voltage, it is necessary to flush the board (remove the residual rosin) from the soldering side with a solvent or alcohol, preferably to varnish.
        
        The drive has “factory” settings, which are suitable both for a motor with a voltage of 220V and a frequency of 50Hz) and for a motor with a voltage of 380V and a frequency of 50Hz. These settings can always be set if you hesitate to customize the drive yourself. To set the "factory" settings for the motor (220v 50Hz):
        
        Switch on the drive
        
        Wait for readiness (if power is supplied only to the MK, just wait 2-3 seconds)
        
        Press and hold button B1 until LED L1 starts blinking, release button B1
        
        Send the command to select 1 speed. As soon as the LED stops blinking, remove the command
        
        The drive is configured. Depending on. LED was on (if not, the drive is waiting for voltage on the DC link).
        
        With this setting, the following parameters are automatically written to:
        
        Rated motor frequency at 220V - 50Hz
        
        Volt addition (voltage of magnetization, braking) - 10%
        
        Acceleration intensity 15Hz / sec
        
        Intensity of braking 15Hz / sec
        
        If you give a signal to select the second speed, then the following parameters will be written to the EEPROM (the difference is only in frequency):
        
        Rated motor frequency at 220V - 30Hz
        
        Volt addition (voltage of magnetizing, braking) 10%
        
        Acceleration intensity 15Hz / sec
        
        Intensity of braking 15Hz / sec
        
        Finally, the third option is Settings:
        
        Press button B1 and hold
        
        Wait for the LED to start blinking
        
        Release button B1
        
        Do not apply voltage to the 1st or 2nd speed selection inputs
        
        Set parameters with trimming resistors
        
        Press and hold button B1 until the LED starts blinking
        
        Thus, as long as the LED is flashing, the drive is in configuration mode. In this mode, when the input of the 1st or 2nd speed is applied, the parameters are written to the EEPROM. If you do not apply voltage to the input for selecting the 1st or 2nd speed, then the fixed parameters in the EEPROM will not be written, but will be set by trimming resistors.
        
        The resistor sets the rated frequency of the motor at 220 V (So, for example, if the motor says 200Hz / 220, then the resistor must be unscrewed to the maximum; if it is written 100Hz / 220V, you need to achieve 2.5 Volts on the 1st contact. (1Volt on the first contact corresponds to 40Hz) ; if the motor reads 50Hz / 400V, then you need to set 27Hz / 0.68V (for example: (50/400) * 220 = 27Hz), as we need to know the motor frequency at 220V motor power supply The range of parameter variation is 25Hz - 200Hz. (1 Volt on pin 1 corresponds to 40 Hz)
        
        The resistor is responsible for the volt addition. 1 Volt on the 2nd contact corresponds to 4% of the voltage of the volt additive (my opinion is to choose at the level of 10%, that is, increase 2.5 volts with caution) Setting range 0-20% of the mains voltage (1 Volt on the 2nd contact corresponds to 4%)
        
        The acceleration intensity of 1 V corresponds to 10Hz / sec (in my opinion, 15 -25 Hz / sec is optimal) Tuning range 5Hz / sec - 50Hz / sec. (1 volt on pin 3 corresponds to 10 Hz / sec)
        
        Intensity of braking 1 V corresponds to 10Hz / sec (in my opinion, 10-15 Hz / sec is optimal) Tuning range 5Hz / sec - 50Hz / sec. (1 volt on pin 4 corresponds to 10 Hz / sec)
        
        After all the resistors are set, press and hold the B1 button until the LED stops blinking. If the LED blinked and lit up, then the drive is ready to start. If the LED blinked and did NOT light up, then wait 5 seconds, and only then disconnect the power from the controller.
        
        Below is the volt-frequency characteristic of the device for a 220v 50Hz motor with a volt addition of 10%.
        
        Umax is the maximum voltage that the converter is capable of delivering
        
        Uv.d. - voltage of volt additives as a percentage of the mains voltage
        
        Fn.d. - rated engine speed at 220V. IMPORTANT
        
        Fmax is the maximum output frequency of the inverter.
        
        Another example of customization
        
        Suppose you have a motor with a nominal frequency of 50Hz, a nominal voltage of 80V. To find out what the nominal frequency will be at 220V, you need to: divide 220V by the nominal voltage and multiply by the nominal frequency (220/80 * 50 = 137Hz). Thus, we get that the voltage on 1 contact (resistor) needs to be set to 137/40 = 3.45 V.
        
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        Simulation in proteus overclocking 0-50Hz of one phase (on 3 phases the computer freezes)
        
        As you can see from the screenshot, as the frequency increases, the sine amplitude increases. Acceleration takes approximately 3.1 seconds.
        
        About nutrition
        
        I recommend using a transformer as this is the most reliable option. My test boards do not have diode bridges and a regulator for the 7812 igbt module. Two printed circuit boards are available for download. The first one is presented in the review. The second has minor changes, a diode bridge and a stabilizer are added. The protective diode must be installed P6KE18A or 1.5KE18A must be installed.
        
        An example of the placement of a transformer, as it turned out, is not at all difficult to find.
        
        Which motor can be connected to this frequency inverter?
        
        It all depends on the module. In principle, you can connect anyone, the main thing is that its resistance for the irams10up60 module is more than 9 ohms. It should be taken into account that the irams10up60 module is designed for a small impulse current and has built-in protection at the level of 15 A. This is very little. But for motors 50Hz 220V 750 W, this is for the eyes. If you have a high-speed spindle, then most likely it has a small resistance of the windings. This module can break through with a pulse current. When using the IRAMX16UP60B module (the legs will have to be bent on their own), the motor power according to the datasheet increases from 0.75 to 2.2 kW.
        
        The main thing for this module: short-circuit current 140A against 47A, protection is set at 25A. Which module to use is up to you. It must be remembered that for 1 kW, 1000 μF of the dc link capacitance is needed.
        
        About short circuit protection. If a smoothing choke is not installed at the drive immediately after the output (it limits the rate of current rise) and the output of the module is shortened, then the module will receive a “khana”. If you have an iramX module, chances are there. But with IRAMS, chances are zero, verified.
        
        The program occupies 4096 kB of memory out of 4098. Everything is compressed and optimized for the program size to the maximum. The cycle time is fixed at 10ms.
        
        At the moment, all of the above is working and tested.
        
        If you use quartz at 20MHz, then the drive will turn out to be 10-400Hz; acceleration rate 10-100Hz / sec; the PWM frequency will increase to 10 kHz; the cycle time will drop to 5ms.
        
        Looking ahead, the next frequency converter will be implemented on ATmeg-64, have a PWM bit width not 8, but 10 bits, have a display and many parameters.
        
        Below you can see the video of setting up the drive, checking the overheating protection, demonstrating the work (I use a 380V 50Hz motor, and the settings are for 220V 50Hz). I did this on purpose to check how PWM works with a minimum job.)
        
        The firmware will not be freely available, BUT the programmed ATmega48-10pu or ATmega48-20pu controller will be cheaper than mc3phac. I am ready to answer all your questions.
        
        Time zone: UTC + 5 hours [Daylight Saving Time]
        
        VESPER repair frequency converter soft starter
        repair of frequency converters of drives of frequency converters
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        repair of varistor board,
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        repair of the current sensor,
        repair of the central processor board,
        replacement of fuses,
        repair of fans, replacement of fans
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        We repair electronics of various VESPER brands:
        EI-7011, EI-P7012, EI-9011, E3-9100, IP54, E2-8300, E3-8100,
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        Repair cost 40-60% of the cost of a new block
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        Tel .: 89171215301
        454007, Chelyabinsk, st. Artillery, 136
        
        Call :
        
        Diagnostics is free!
        
        The Welding Zone company offers services for the repair of frequency converters (PE) in Moscow. Modern equipment, competent specialists and a large warehouse of components allow us to carry out repair work in a short time and at a high professional level. We restore the operability of the equipment of both domestic and foreign production, we have extensive experience in working with brands Bosch, Parker Hannifin, KEB, Control Techniques, Danfoss, Vacon, Vesper, Omron, Siemens, ABB etc. Diagnostics is performed free of charge. Urgent repair is possible within 1-2 days!
        
        Repair: Siemens, ABB, Schneider, Vacon, Danfoss from 30 to 50 kW
        
        from 7 to 60 thousand rubles.
        
        Repair: Siemens, ABB, Schneider, Vacon, Danfoss from 50 to 110 kW
        
        * Repairs are performed at the component level (board refurbishment). The exact cost of repairs is determined only after diagnostics. If it is impossible to recover (defective processor, firmware, severe mechanical damage), the customer is offered a new board.
        
        State of emergency ABB ACS 800
        
        Frequency converter is a device whose main purpose is to convert an input voltage of 220 V / 380 V with a constant frequency and amplitude into an output voltage with a frequency and amplitude specified by the user. Pulse-width modulation is used to convert frequency to frequency.
        Read also: DIY repair of fv t4
        Converters are mainly used for the protection and control of induction motors. Since the latter are used in industry and housing and communal services almost everywhere, the failure of an emergency can cause accidents and long downtime in production.
        
        PE - complex devices, in addition to the hardware, they also contain software. Therefore, during the repair of frequency converters on their own, certain difficulties may arise, which only a highly qualified specialist can cope with.
        
        the appearance of errors in the control program;
        
        lack of necessary prevention;
        
        non-observance of the operating conditions recommended by the manufacturer;
        
        factory defects.
        
        Danfoss: VLT 5032 - 5052/6042 - 6062/8042 - 8062 / 200-240, VLT 5001-5062 / 6002-6072 / 8006-8072 / 525-600 V, VLT 5032 - 5052/6042 - 6062/8042 - 8062 / 200- 240V, VLT 5001-5027 / 6002-6032 / 8006-8011 / 200-240 V, VLT 5001-5102 380-500V / 6002-6122 380-460V / 8006-8122 380-480V, VLT 5060 - 5500/6075 - 6550 / 8100 - 8600/380 - 500V, VLT5122-5552 / 6152-6602 / 8152-8652 / 380 - 500V P407 / P408, VLT 5075- 5200 / 6100- 6275 / 8100- 8300 / 550-600V, VLT5042-5602 / 6102 -6402 / 8052-8652 525 - 690V P407 / P408, FC102 / FC202 / FC301 / FC302 200-240V, FC102 380-480V / FC202 380-480V / FC301 380-480V / FC302 380-500V, FC102 / FC202 / FC301 / FC302 525-600V, FC102 / FC202 / FC302 525- 690V, VLT Micro Drive FC 51, VLT HVAC Basic Drive FC-101, FC103 VLT Refrigeration Drive, VLT HVAC Drive FC-102, VLT AQUA Drive FC-202, AutomationDrive FC- 300 (FC-301, FC-302), VLT 2800, VLT Midi Drive FC 280, MCD 100, MCD 200 (MCD201, MCD 202), MCD 500.
        
        Vacon: Vacon 10, Vacon 20, Vacon 100, Vacon 100 HVAC, Vacon 100 FLOW, VACON NXL, VACON NXS, VACON NXP
        
        ABB: ABB ACS55, ACS150, ACS310, ACS355, ACS550, ABB ACS 355, ABB ACS 800, ABB ACS 600, ABB ACS 550, ABB ACS 1000, ABB ACS 2000, ABB ACS 5000, ABB ACS 6000, ABB ACSM1, ABB ACSQ 810, ABB ACS 50, ABB ACS 140, ABB ACS 160, ABB ACS 200, ABB ACS 350, ABB ACS 501 DC drives: ABB DCR 400, ABB DCR 500, ABB DCR 600, ABB DCR 800.
        
        Schneider-Electric: ALTIVAR 12, ALTIVAR 21, ALTIVAR 212, ALTIVAR 31, ALTIVAR 312, ALTIVAR 61, ATV630 ATV650 ATV660, ALTIVAR 71, ATV930 ATV950 ATV960, ALTIVAR 32, ALTISTART 01, ALTISTART 22, ALTISTART 48.
        
        HYUNDAI: HYUNDAI N700V, HYUNDAI N700E, HYUNDAI N5000, N50 Series, N100 Series, N300 Series, N300P, N500 Series, N500P, N700E Series.
        
        VESPER: VESPER E2-MINI, VESPER E3-8100 (K), VESPER E2-8300. VESPER E3-9100. VESPER EI-7011, VESPER EI-9011, VESPER EI-P7012, UPP DMS.
        
        SIEMENS: Sinamics G110, Sinamics G120, Sinamics G120C, Sinamics G120P, Sinamics G130, Sinamics G150, Micromaster 420, Micromaster 430, Micromaster 440, Sinamics V20, Sinamics V90.
        
        INVT: INVT GD10, INVT GD35, INVT GD100, INVT GD200, INVT GD300, INVT CHE100, INVT CHF100A, INVT CHV160A, INVT CHV180, INVT CHV190.
        
        TOSHIBA: TOSHIBA VFnC3S, TOSHIBA VFS11, TOSHIBA VFS15, TOSHIBA VFFS1, TOSHIBA VFMB1, TOSHIBA VFPS1, TOSHIBA VFAS1
        
        TECORP: TECORP E1000, TECORP HC1-C, TECORP HCA, TECORP HCB, TECORP HCP, TECORP HC2-V8, TECORP HC2-V9
        
        ESQ (ELCOM STANDART OF QUALITI):, ESQ-800, ESQ-A200, ESQ-A700, ESQ-A900, ESQ-500 / ESQ-600, ESQ-A500, ESQ-760, ESQ-VC, ESQ-VB, ESQ-9P, ESQ-5000, ESQ- A900, ESQ-1000, ESQ-2000, ESQ-9000
        
        WEG: CFW100 Mini Drive, CFW10 Easy Drive, CFW500 Machinery Drive, CFW700 General Purpose Drive, CFW11 System Drive, CFW501 HVAC-R, CFW701 HVAC-R, MW500 Decentralized Drive, MVW01 Medium Voltage Variable Speed Drive Soft Starters: SSW05, SSW08, SSW07 , SSW06.
        
        We will come to you today (or any other day convenient for you).
        
        The staff is staffed by experienced professionals.
        
        Repair of frequency converters in Moscow is carried out as soon as possible.
        
        The work is carried out taking into account the instructions of the manufacturers.
        
        Only original components recommended by manufacturers are used.
        
        We provide free equipment diagnostics.
        
        After the repair, the performance of the equipment is checked before further operation.
        
        All work on the repair of welding equipment is provided with a 1-year warranty.
        
        You can leave a request for repair of the frequency converter by phone: +7 (495) 215-17-22.
        
        Remember! The correct operation of the converter depends on the serviceability and normal functioning of other, often more expensive devices, therefore, it is recommended that repairs be made only in specialized service centers.