EV Machine and Drives Demonstration Testing Setup for EEE Department at Puducherry Technological University

1. PMSM Drive (1 Set) A) Permanent Magnet Synchronous Motor (PMSM) – 48 V, 1kW, and 3000 rpm with mechanical loading arrangement consists of brake drum, frame, belt and scale. • Rated speed - 3000 rpm • Rated torque - 3.18 N-m • Peak torque - 5.7 N-m • Rated/peak current -22 A /40 A • Sensors – Hall effect • Maximum permissible speed – 3500 rpm • Insulation : class F B) PMSM Closed-loop Controller – 48 V/60 V DC, consists of MCB, Fuses, Indicators, digital meters and RPM meter. The controller unit shall be a complete integrated system comprising the following: (i). Controller / Control Unit • The controller shall employ a suitable microcontroller, or equivalent digital control platform. • It shall execute real-time control algorithms for PMSM operation and regulate the motor current, torque and speed. • The controller shall provide suitable interfaces for current and rotor-position feedback sensors. (ii). Three-Phase Inverter • A three-phase power inverter (utilizing IGBTs or MOSFETs) that converts a DC link voltage into a variable-frequency, variable-voltage sinusoidal 3-ph AC supply for the motor • The inverter shall provide controlled switching and appropriate protection against over-current, over-voltage, short-circuit and other abnormal operating conditions. (iii). Feedback and Sensing • The controller shall incorporate phase/stator current sensing for closed-loop current regulation. • Provision shall be available for rotor-position feedback using an encoder, resolver, Hall-effect sensor, or equivalent position-sensing arrangement, as appropriate to the supplied PMSM. • The feedback system shall support accurate speed, position and torque/current control of the PMSM. 2. BLDC Mid_Drive (1 Set) A) BLDC Mid-Drive Motor, 48 V, 1kW, 3000 rpm with mechanical loading arrangement consists of brake drum, frame, belt and scale. • Rated speed -3000 rpm • Rated torque - 3.18NM • Peak torque = 5.7 NM • Rated/peak current -22 A /40A • Sensors – Hall effect • Maximum permissible speed – 3500 rpm • Insulation : class F B )BLDC Mid-Drive Motor Controller, 48 V DC/60 V DC, suitable for 1 kW BLDC motor. The controller unit shall consist of suitable MCB/fuse protection, status indicators, DC voltage and current digital meters, and an RPM display. The controller shall employ a suitable microcontroller or equivalent digital control platform It shall provide appropriate protection against over-current, over-voltage, short-circuit, under-voltage and over-temperature conditions. The controller shall provide adjustable speed control and shall be compatible with the specified 48 V, 1 kW BLDC motor. 3. SRM Drive (1 Set) A) Switched Reluctance Motor-1 HP, 310V DC, 2000 rpm, 8 X 6 configuration with position sensors B) SRM motor controller: • Power Circuit: IGBT based Bridge type power circuit consists of Semikron make IGBT modules suitable for SRM motor, IGBT drivers, Single-phase bridge rectifier with filter capacitor, necessary MCB, snubbers, heatsink and fan for cooling, analog DC voltmeter for DC bus voltage and analog DC ammeter for DC current. • Control Circuit: TI C2000 Launchpad based controller for speed control of the SRM motor, motor control, Connector for sensor inputs and PWM output. Provision for interface for control through MATLAB – SIMULINK 4. Three-phase Induction motor drive (1 Set) A)3-phase Induction Motor -1000W, 4 pole, 48V, 1440 RPM, 3-phase squirrel-cage type, foot mount with mechanical loading arrangement consists of brake drum, frame, belt and scale Protection: Sturdy IP54 housing. • Rated frequency -50 Hz • Rated voltage – 48V, 3 phase • Base speed – 1440 rpm • Maximum speed – 1800 rpm • Rated current – 22 A • Frequency range 10 -60 Hz • V/f control capability B) Induction Motor Controller TI C2000 Launchpad based controller for speed control of the Induction motor by V/F control, SIC MOSFET based power module, IC driver circuit with built in protection circuit, Single-phase bridge rectifier with capacitor filter and stepdown transformer, Encoder coupling for position sensor. 5. DC Power supply (2 Nos) 24V /48V/60V DC @ 25A Input: 3 phase 415V, MCB, Fuses, indicators , controls and digital Multifunction meter