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Embedded Solutions

Power Electronics

Re-Engineer The Power Solutions With Our Expertise

Power Electronics Design Skills

Design Skills

Design of converters, inverters, power supplies, DC to DC converters, motor control circuits, power electronic protection methods, EMI-related, high-frequency ferrite core transformer, fault tolerance, power electronics protection circuits, sensor processing circuits, snubber circuits, and PCB.

Simulation and Analysis skills:Analysis of Waveform, Harmonic, Power and loss calculations, Thermal, Ripple, Derating, Reliability. We also carry out Pspice simulation, and PSIM simulation. Working knowledge of control systems, and significant knowledge of controllers and PWM techniques.

Power Electronics Engineering Skills

Knowledge of System Engineering

Heat sink design

High current bus design

Optimising grounding to reduce ground loops

Providing proper isolation

Design of line filters, common mode and differential mode filters

Shielding, cabling and connector selection

Power capacitor specifications and selection

Packaging method

Customized Product Development Support

Product development in the areas of electromechanical actuators including digital EMAs, Engine control units, SMPS, motor controls, industrial inverters, remotely controlling through IOTs, fuel control systems, and railways high power electrical drive control systems

Power electronics for electric vehicles – AC to DC, DC to DC, motor controller and battery charger

Aircraft power systems – generator control unit, engine control unit, and power distribution unit

Induction heating unit and wireless power transfer systems

Development And Testing Equipments

Power supplies

Oscilloscope

Power analysers

Harmonic analysers

Dyno in case of motor testing

Prime mover

Resistive loads

IC testers

Custom-made test rigs

Motor Drive Development Skills

Knowledge of motor operation and control theory

Expertise in various motor technologies

BLDC & PMSM

Induction motor

Switched reluctance motor

Knowledge of Motor Control Methodologies

Sensor-based and sensorless control

Field-oriented control & vector-based control

Drive design capabilities including system design, hardware design, software and algorithm development

Model-based on design and development capabilities

3 - Phase Power Relay

Description

CIS's 3-Phase Monitoring Relay is suitable for 3-phase without neutral mains. It has been designed and manufactured in small size with high accuracy and is capable of protecting loads from wrong phase sequence, phase loss, phase unbalance, under-voltage, and over-voltage.

Model: 3PHMR1

Weight: 100g

Dimension: 87.8H x 54.2D x 17.5W

Protection Grade: IP20

Features

Implemented microcontroller-based system for tighter control of the input power

Protection Against:

  • Overvoltage and under-voltage
  • Phase imbalance
  • Phase sequence error
  • Phase failure

Potentiometer

  • PM 1: On delay adjustment
  • PM 2: Over-voltage adjustment
  • PM 3: Under-voltage adjustment
  • PM 4: Phase ssymmetry adjustment

LED Indication:

  • Phase sequence/phase loss/unbalance, under-voltage and over-voltage conditions

Applications

3PHMR1 is suitable for all applications where it is necessary to monitor phase presence, correct phase sequence and under voltage, Over voltage of three phase load mains such as lifts, escalators, HVAC, material handling, conveyors, pumps and compressors.

Knowledge of Motor Control Methodologies

CIS can support with following protection devices:

Overvoltage/overcurrent protection

Surge protection

In-rush protection

Arcing detection and protection

Earth fault detection and protection

Main Function

3Ph monitoring

From 208V to 480V rated input

Phase sequence, phase loss, phase unbalance, under-voltage, over-voltage

5A SPDT relay output

DIN enclosure

Technical Specifications

Supply voltage: 183 V to 528 VAC /50-60 Hz

Delay:

  • On Delay: 2-180 sec
  • Off Delay: Disconnection for under-voltage after start: 5 sec, disconnection for over voltage and phase asymmetry after start : 3 sec

Over voltage detection: 400V - 480V

Under voltage detection : 300V - 380V

Phase imbalance detection: 20V - 100V

Output: 8A relay output

Energy Efficient Motor

Power Engineering Design Skills

Design of converters, inverters, power supplies and DC to DC converters and motor control circuits, power electronic protection methods, EMI related design, high frequency ferrite core transformer design, fault tolerance design, design of power electronics protection circuits, sensor processing circuits, design of Snubber circuits, PCB design

Simulation and Analysis skills: Waveform analysis, harmonic analysis, power and loss calculations, thermal analysis, ripple analysis, derating analysis, reliability analysis, Pspice simulation, PSIM simulation

Working knowledge on control systems

Significant knowledge on controllers and PWM techniques

Power Electronics Engineering Skills

Knowledge on System Engineering

Heat sink design

High current bus design

Optimising grounding to reduce ground loops

Providing proper isolation

Design of line filters, common mode and differential mode filters

Shielding, cabling and connector selection

Power capacitor specifications and selection

Packaging method

Product Development Skills

Product development in the areas of electro-mechanical actuators including digital EMAs, engine control units, SMPS, motor controls, industrial inverters, remotely controlling through IOTs, fuel control system, Railways high power electric drive control systems

Power electronics for electric vehicle – AC to DC, DC to DC, motor controller and battery charger

Aircraft power systems – Generator control unit, engine control unit, power distribution unit

Induction heating unit and wireless power transfer systems

Electric Motor Technology

Heart of an Electric Vehicle

Operates as

  • Motor to drive power to the vehicle
  • Generator during braking to regenerate power

Machine performance critical to smooth riding experience

Current State Of Art

BLDC Motors are widely used

Inherent problem with torque ripple, noise and high-speed limitations

Efficiency and reliability concerns

Imported motor and drive technology

Lack of service, support and maintenance support

BLDC VS PMSM
2KW AND 5KW Motor Specification
2KW AND 5KW Controller Specification
Development And Testing Equipments

Power supplies

Oscilloscope

Power analysers

Harmonic analysers

Dyno in case of motor testing

Prime mover

Resistive loads

IC testers

Custom made test rigs

Power Management Product

10 KW Grid Tied Inverter

10 kw solar grid tied inverter is energy efficient and internationally compliant solar fed grid tied Inverter

2 MPPT channels each of the capacity 6.6 KW with 4 switch synchronous buck-boost typology

3 level TNPC energy efficient topology for Inverter section, good power quality by providing low total harmonic distortion levels

Compliance with functional safety standards and with critical protection features

ARM core based controller with advanced algorithms for MPPT, grid synchronization and protections

Technology Highlights

STM32H7 series ARM Cortex M7 core with double precision floating point unit running at up-to 480MHz, Controller for MPPT and Inverter section

Multi - mode control in buck and boost stage of 4 switch synchronous DC-DC converter and PWM technique with better output power quality

Grid synchronization ensured with phase locked loop control

Wide band gap 4 terminal SiC MOSFET as switching devices for low switching loss, high switching frequencies and better thermal performance

Single Power Board with 2 MPPT Converters and 3 Level TNPC Inverter sections to ensure better EMI/EMC performance and compact size

Main Features Of The Product

High efficiency

Wide input voltage operating range

Built-in protection

3 level highly energy efficient Inverter topology

High Power Quality with reduced THD level

IP65 protection class compliant

High PV energy harvest through efficient MPPT

Grid integration standard compliance with following standards: VDE-AR-N 4105, EN 62109, EN 62000-6-1, EN 62000-6-3, UL1741, IEEE 1547

International safety class compliant

Fine-tuned for Indian conditions

Futuristic technology

Digital display with fault indication

Human machine interface (HMI) for easy control

Supports high array to Inverter ratio

USB host for local firmware upgrade

EN/IEC 62109-1, EN/IEC 62109-2 grid safety standard compliant

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