Completed Projects

Design, Development & TOT of DSP based controller (hardware and firmware) for FOC of 2 x PMSM Motors for EV

  • This project consist of design & development of the following,
  • DSP Based Control Board Suitable for Field Oriented Control of 2 x Permanent Magnet Synchronous Motors with regenerative braking and CAN Bus communication as per SAE J1939 protocol.
  • Interface Board Suitable to cover IOs as per customer specification.

Supply of DC-DC Converters for Water Electrodeionization (EDI) process

Input: 530-550VDC (From SCR Based DC Source)

Auxiliary Supply Input: 230V, 50Hz, 1 Phase AC

Mode of operation: Constant Current Mode

Rating: 1225W max. (For Upper Stage)   0875W max. (For Lower Stage)

Output Current:

1.5A to 3.5ADC ± 0.1A (Settable For Upper Stage)

1.5A to 2.5ADC ± 0.1A (Settable For Lower Stage)

Output Voltage Range: 100V to 350VDC (Operating value will depend on load)

Supply of Thyristor Based Static Switch (100A) Assembly Units

Supply of duly assembled, programmed and tested Digital Control Board for v/f control of 3 Phase Induction Motor for solar water pump application

Design, Development & TOT of Dual-channel IGBT/MOSFET Driver

Repair & supply of power and control cable assemblies for Wind Turbine Generators

Dual Channel SCR Driver Board 0421002

Features

  • Dual-channel SCR driver
  • Works with 12V DC external supply
  • Interface for 3.3 V to 15 V logic level
  • Available in versions with peak gate current up to 1A and working voltages up to 1000V
  • Controller is isolated from Power Circuit
  • Isolation between Two SCR drivers
  • High insulation rating (>3.2 kVAC) between the input (controller) and output (power)
  • LED indication for input power supply
  • LED indication for each pulse output
  • Euro Terminal Blocks (Vertical 3.81mm). No need of any special tools (crimping tool, etc.) or stocking/sourcing of mating halves (crimps, connector, etc.)
  • Overall dimensions – 97mm x 74mm
  • Available in 3 design variants as follows,
    • Variant 1 - On-board carrier generation, Mono shot and Pulse Amplifier Only Digital Command required from Main Control Board Power saving by use of Mono shot Best suited for Rectifier and ACVR applications.
    • Variant 2 - On-board carrier generation and Pulse Amplifier Only Digital Command required from Main Control Board Best suited for Static Switch applications, however, can also be used for Rectifier and ACVR applications (without power saving feature).
    • Variant 3 - Pulse Amplifier Best suited for all applications where both command and carrier generation are done by Main Control Board
The 0421002 is ideally suited for a wide range of SCR based systems including but not limited to following applications:
  • High current 6, 12, 18 and 24 Pulse Rectifiers for various applications like
    • Electroplating, Anodizing, Galvanising, Electro-coloring
    • Hydrogenation, Chlorination, Electrolysis
    • Electrochemical - Sodium, potassium salts o Electrophoretic painting,ED coating
    • Industrial Power Supplies
    • Battery Formation, Battery charging
    • Heating, Magnetisation, Ionisation
  • Wind-Power Converters
  • Industrial drives
  • Power-factor correctors
  • Welding Rectifiers
  • Uninterruptible power supplies (UPS)
    High Voltage Interface Board 0421001

    Features

    • Four-channel HVI
    • Filter capacitor for each channel
    • Channels suitable for 0-500V, 50Hz, AC Voltage Feedback
    • Channels suitable for 0-800V DC Voltage Feedback
    • Euro Terminal Blocks (Vertical 3.81mm). No need of any special tools (crimping tool, etc.) or stocking/sourcing of mating halves (crimps, connector, etc.)
    • Overall dimensions – 77mm x 46mm
      The 0421001 is ideally suited for a wide range of SCR/IGBT based systems including but not limited to following applications:
      • High current 6, 12, 18 and 24 Pulse Rectifiers for various applications like
        • Electroplating, Anodizing, Galvanising, Electro-coloring
        • Hydrogenation, Chlorination, Electrolysis
        • Electrochemical - Sodium, potassium salts
        • Electrophoretic painting,ED coating
        • Industrial Power Supplies
        • Battery Formation, Battery charging
        • Heating, Magnetisation, Ionisation
      • Wind-power converters
      • Industrial drivers
      • Power-factor correctors
      • Welding Rectifiers
      • Uninterruptible power supplies (UPS)









      Isolated Voltage Interface Board 0621001-01

      For the electronic measurement of voltages; DC, AC, Pulsed……,with isolation between the primary circuit (power) and the secondary crcuit (control),

      Features
      • Primary Voltage sensing upto ±600V
      • 4250-VRMS isolation for 1 minute
      • Differential Secondary output ±2V
      • Ambient operating temperature -25….+125°C
      • Single 3.3-V or 5-V supply with integrated DC/DC converter
      • Easy mounting
      • Small size and space saving
      • Excellent Accuracy
      • Very good linearity
      • Low Thermal Drift
      • High immunity to external interferences
      • Low power consumption
      • Euro Terminal Blocks (Vertical 3.81mm). No need of any special tools (crimping tool, etc.) or stocking/sourcing of mating halves (crimps, connector, etc.)
      • Overall dimensions – 85mm x 27.5mm
      The 0621001-01 is ideally suited for a wide range of industrial systems including but not limited to following applications:
      • High voltage Rectifiers for various applications
      • AC Variable Speed Drives
      • Servo Motor Drives
      • Static converters for DC motor drives
      • Power supplies for Welding application
      • Uninterruptible power supplies (UPS)
      • and many others









          Isolated Current Interface Board 0621001-02

          For the electronic measurement of voltages; DC, AC, Pulsed……,with isolation between the primary circuit (power) and the secondary crcuit (control),

          Features
          • Primary Current sensing upto ±250mV from shunt
          • 4250-VRMS isolation for 1 minute
          • Differential Secondary output ±2.05V
          • Ambient operating temperature -25….+125°C
          • Single 3.3-V or 5-V supply with integrated DC/DC converter
          • Supports a working voltage of up to 1.2 kVRMS
          • Easy mounting
          • Single design for wide current range
          • Excellent Accuracy
          • Very good linearity
          • Low Thermal Drift
          • High immunity to external interferences
          • Euro Terminal Blocks (Vertical 3.81mm). No need of any special tools (crimping tool, etc.) or stocking/sourcing of mating halves (crimps, connector, etc.)
          • Overall dimensions – 85mm x 27.5mm
          The 0621001-02 is ideally suited for a wide range of industrial systems including but not limited to following applications:
          • High current Rectifiers for various applications
          • AC Variable Speed Drives
          • Battery supplied applications
          • Static converters for DC motor drives
          • Power supplies for Welding application
          • Uninterruptible power supplies (UPS)
          • Switched Mode Power Supplies (SMPS)
          • and many others










            100 Pin Microcontroller Based Universal Control Board 0521002

            Features
            • 32-bit 100MHz IEEE 754 single-precision Floating-Point Unit (FPU) Trigonometric Math Unit (TMU) Programmable Control Law Accelerator (CLA) Configurable Logic Block (CLB) 256KB (128KW) of flash 100KB (50KW) of RAM
            • 16 Output channels which can be used as PWM, Pulse or Digital output
            • 22 ADC channels pre-configured for the following,
              • 9 ADC channels suitable for 0-500V, 50Hz, AC Voltage Feedback
              • 2 ADC channels suitable for 0-800V DC Voltage Feedback
              • 5 ADC channels suitable for 25mA-200mA DC Current Feedback from Hall Effect Sensor
              • 6 ADC channels suitable for 0-1A, 50Hz, AC Current Feedback from CT
            • 16 Digital channels (2 groups of 8 signals each), each group can be configured as Digital Input or Digital Output
            • 5 (3 Dedicated and 2 in sharing with ADC) Digital Inputs
            • Non-Isolated RS-485 FULL DUPLEX
            • Isolated CAN 2.0
            • Interface provision for following is available,
              • BiSS-C (part of DIO pins)
              • QEP (part of DIO pins)
              • SDFM (part of DIO pins)
              • DAC (part of ADC pins)
              • SINE/COS (part of ADC pins)
            • Works on single external 5V supply
            • Euro Terminal Blocks (Vertical 3.81mm). No need of any special tools (crimping tool, etc.) or stocking/sourcing of mating halves (crimps, connectors, etc.)
            • Overall dimensions – 164mm x 163mm
            • Completely Software Configurable
              • All DIs can be configured as NO or NC
              • Mode selection (e.g. CV/CC, Auto/Manual, etc.)
              • Set points (e.g. over voltage, over current, etc.)

            Description


            The 0521002 is a state of the art, universal, digital control board. It has been designed to address numerous SCR/IGBT based power system challenges, allowing fast and economical product development and support. There is no longer a need to stock dozens of control board variants to meet your various product needs.

            With the 0521002, nearly every system parameter is software adjustable, providing you a single control board solution for all your needs. Configuration and operating parameters are easily modified using the AAVPL GUI Configuration & Control Tool. The GUI also makes field updates fast and easy.

            Systems operating from line voltages as high as 1000VAC are supported using the external HVI circuitry.
            The 0521002 is ideally suited for a wide range of SCR and/or IGBT based systems including but not limited to following applications:

            • High current 6, 12, 18 and 24 Pulse Rectifiers
            • Wind power inverters
            • Industrial motor drives
            • Railway auxiliary inverters
            • Induction heating
            • Photovoltaic inverters
            • Uninterruptible power supplies (UPS)
            • EV drives
            • EV charging stations
            • Power quality equipments (e.g. AHF, Statcom, etc.)
            • Static Frequency Converter
            The 0521002 can be easily interfaced with our following products typically required for SCR/IGBT based power systems,
            • Dual channel IGBT Driver Board 0721001
            • Dual channel SCR Driver Board 0421002
            • Four channel non-isolated High Voltage Interface Board 0421001
            • Single channel isolated Voltage/Current Interface Board 0621001




            80 Pin Microcontroller Based Universal Control Board 0222001

            Features

            • 32-bit 100MHz IEEE 754 Floating-Point Unit (FPU) Trigonometric Math Unit (TMU) Programmable Enhanced control peripherals Configurable Logic Block (CLB) 128KB (64KW) of flash 24KB (12KW) of RAM
            • 14 Output channels which can be used as PWM, Pulse or Digital output
            • 16 ADC channels pre-configured for the following,
              • 6 ADC channels suitable for 0-500V, 50Hz, AC Voltage Feedback
              • 2 ADC channels suitable for 0-800V DC Voltage Feedback
              • 2 ADC channels suitable for 100mA DC Current Feedback from Hall Effect Sensor
              • 6 ADC channels suitable for 0-1A, 50Hz, AC Current Feedback from CT
            • 16 Digital channels (2 groups of 8 signals each), each group can be configured as Digital Input or Digital Output
            • 5 (4 Dedicated and 1 in sharing with ADC) Digital Inputs
            • Non-Isolated RS-485 FULL DUPLEX OR Isolated RS-485 half duplex port
            • Isolated CAN 2.0
            • Interface provision for following is available,
              • BiSS-C (part of DIO pins)
              • QEP (part of DIO pins)
              • SINE/COS (part of ADC pins)
            • Works on single external 5V supply
            • Euro Terminal Blocks (Vertical 3.81mm). No need of any special tools (crimping tool, etc.) or stocking/sourcing of mating halves (crimps, connectors, etc.)
            • Overall dimensions – 160mm x 130mm
            • Completely Software Configurable
              • All DIs can be configured as NO or NC
              • Mode selection (e.g. CV/CC, Auto/Manual, etc.)
              • Set points (e.g. over voltage, over current, etc.)
            Description

            The 0222001 is a state of the art, universal, digital control board. It has been designed to address numerous SCR/IGBT based power system challenges, allowing fast and economical product development and support. There is no longer a need to stock dozens of control board variants to meet your various product needs.

            With the 0222001, nearly every system parameter is software adjustable, providing you a single control board solution for all your needs. Configuration and operating parameters are easily modified using the AAVPL GUI Configuration & Control Tool. The GUI also makes field updates fast and easy.

            Systems operating from line voltages as high as 1000VAC are supported using the external HVI circuitry.

            The 0222001 is ideally suited for a wide range of SCR and/or IGBT based systems including but not limited to following applications:
            • High current 6, 12, 18 and 24 Pulse Rectifiers
            • Wind power inverters
            • Industrial motor drives
            • Railway auxiliary inverters
            • Induction heating
            • Photovoltaic inverters
            • Uninterruptible power supplies (UPS)
            • EV drives
            • EV charging stations
            • Power quality equipments (e.g. AHF, Statcom, etc.)
            • Static Frequency Converter
            The 0222001 can be easily interfaced with our following products typically required for SCR/IGBT based power systems,
            • Dual channel IGBT Driver Board 0721001
            • Dual channel SCR Driver Board 0421002
            • Four channel non-isolated High Voltage Interface Board 0421001
            • Single channel isolated Voltage/Current Interface Board 0621001

















            Universal Power Supply Board 1121001

            Features
            • Input 1 – 290 to 500V, 50Hz, 3 Phase – 3 Wire, AC
            • Input 2 – 340 to 500V DC
            • Powe supply board works from any one of the inputs available or from both the inputs available simultaneously
            • Output 1 – 24V DC ± 1%, 2A
            • Output 2 – 5V DC ± 1%, 0.5A
            • Output 3 – 12V DC ± 1%, 2A
            • Output 4 – 12V DC ± 1%, 0.6A
            • Overcurrent Protection
            • Short circuit protection with auto recovery
            • Input to Output Isolation – 1.5KVAC for 1 minute
            • Input to Earth Isolation – 1.5KVAC for 1 minute
            • All 4 outputs isolated from each other
            • Operating Temperature - -20 to +60°C
            • Storage Temperature - -20 to +85°C
            • Euro Terminal Blocks. No need of any special tools (crimping tool, etc.) or stocking/sourcing of mating halves (crimps, connector, etc.)
            • Overall dimensions – 220mm x 140mm
            The 1121001 is ideally suited for any electrical, electronics and power electronics equipment requiring multiple power supplies.



















            Dual Channel IGBT Driver Board 0721001

            Features

            • Dual-channel IGBT driver for blocking voltages up to 1200V
            • Supply Under voltage protection
            • Built-in isolated supplies
            • +15 V (regulated) / -8 V gate driving
            • Interface for 3.3 V to 15 V logic level
            • VCESAT protection for both IGBTs
            • Independent or half bridge modes
            • Supports two-level and multi-level topologies
            • Active Miller Clamp
            • Controller is isolated from Power Circuit
            • Isolation between Two IGBT drivers
            • Soft turn-off
            • LED indication for input Power supply
            • LED indication for each PWM output
            • Euro Terminal Blocks (Vertical 3.81mm). No need of any special tools (crimping tool, etc.) or stocking/sourcing of mating halves (crimps, connector, etc.)
            • Mounting – Standalone mounting OR Soldered onto 17mm dual IGBT module
            • Overall dimensions
            The 0721001 is ideally suited for a wide range of IGBT based systems including but not limited to following applications:
            • Wind-power converters
            • Industrial drives
            • Power-factor correctors
            • Welding
            • Uninterruptible power supplies (UPS)
            • SMPS
            • Traction
            • Research
            • and many others
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