GLDDT motor and electric traction experimental device

Ⅰ、Product Overview

GLDDT motor and electric traction experimental device is suitable for the renovation of existing motor and electrical technology experimental equipment in colleges and universities. It also provides ideal experimental equipment for the construction or expansion of laboratories in secondary vocational schools, vocational and technical colleges, undergraduate colleges, etc., and for the rapid opening of experimental courses. It provides good conditions for teachers and graduate students to develop or conduct scientific research. This device has a complete and reliable personal safety protection system, and all sheathed terminals are used to ensure experimental safety.

Ⅱ、Technical parameters

1. Input power: three-phase four-wire (or three-phase five-wire) ~ 380V±10% 50Hz

2. Working environment: temperature -10℃～+40℃, humidity<85% (25℃)

3. Device capacity: < 1.5kVA

4. Weight of GLDDT motor and electric traction experimental device: 480Kg

5. Dimensions:<1390mm*730mm*1630mm

Ⅲ、Power control panel

1. AC power supply: Provide three-phase 0~450V adjustable AC power supply, and single-phase 0~250V adjustable power supply can be obtained at the same time.

2. Two high-voltage DC power supplies: provide a set of 220V (0.5A) excitation power supply and 0~250V (4A) continuously adjustable regulated armature power supply (with overvoltage, overcurrent, overheating and short circuit soft cut-off automatic recovery protection functions), and are equipped with a DC digital voltmeter and a switch.

3. A set of three-phase isolation transformers; a voltage-type leakage protector; a current-type leakage protector.

4. Instrument protection system.

5. Experiment manager: with functions such as setting time, alarming at time, cutting off power and recording various alarm times.

IV、Intelligent DC voltage and current meter

1. Intelligent DC voltmeter: with communication interface, automatic range, industrial-grade cabinet installation, accuracy: 0.2 level, range: 0-500V.

2. Intelligent DC ammeter 1: with communication interface, automatic range, industrial cabinet, precision: 0.2 level, range: 0-5000mA. Display unit: mA.

3. Intelligent DC ammeter 2: with communication interface, automatic range, industrial cabinet, precision: 0.2 level, range: 0-5000mA. Display unit: mA.

Ⅴ、Intelligent power factor meter

Designed by 24-bit dedicated DSP, 16-bit high-precision AD converter and high-speed MPU unit, it realizes the human-computer dialogue function control mode through key control and digital display window. The software adopts RTOS design ideas, and is equipped with PC monitoring software to enhance analysis capabilities. It can measure two single-phase power P1 and P2 at the same time, and display the sum of the two powers through a separate 5-digit LED (two-meter method to measure the three-phase total power). The power measurement accuracy is 1.0, the power factor measurement range is 0.3~1.0, the voltage and current range is 450V and 5A, and it can automatically identify the load properties (inductive display "L", capacitive display "C", pure resistance no display), and can store measurement data for reference at any time.

VI、Experimental table

The experimental table is a double-layer matte dense spray structure made of iron, and the desktop is a fireproof, waterproof, wear-resistant high-density board; it is equipped with two large drawers and cabinet doors.

VII、Experimental projects

1. DC motor experiment

(1) Electric machine knowledge experiment

(2) DC generator experiment

(3) DC shunt motor experiment

2. Transformer experiment

(1) No-load and short-circuit experiment of single-phase transformer

(2) No-load and short-circuit experiment of three-phase transformer

(3) Load experiment of three-phase transformer

(4) Connection group experiment of three-phase transformer

(5) Asymmetric operation experiment of three-phase transformer

(6) Parallel operation experiment of three-phase transformer

3. Asynchronous motor experiments

(1) Single-phase capacitor-start asynchronous motor

(2) Single-phase capacitor-run asynchronous motor

(3) Single-phase resistor-start asynchronous motor

(4) Three-phase dual-speed asynchronous motor

(5) Three-phase squirrel cage asynchronous motor parameter measurement experiment

(6) Three-phase asynchronous motor starting and speed regulation experiment

(7) Three-phase asynchronous motor working characteristics experiment

(8) Asymmetric operation of three-phase squirrel cage asynchronous motor

4. Synchronous motor experiments

(1) Three-phase synchronous generator operating characteristics and parameter measurement experiment

(2) Three-phase synchronous generator synchronous grid-connected operation experiment

(3) Three-phase synchronous motor

(4) Sudden short circuit of three-phase synchronous generator

(5) Asymmetric operation of three-phase synchronous motor

5. Determination of motor mechanical characteristics

(1) Mechanical characteristics of DC separately excited motor under various operating conditions

(2) Three-phase asynchronous motor under Mechanical characteristics under various operating conditions

(3) Mapping of the M-S curve of a three-phase asynchronous motor

6. Control motor experiment

(1) Stepper motor experiment

(2) Synchro experiment

(3) Rotary transformer experiment, medium frequency power supply

(4) Linear motor motion control and experimental components

(5) Three-phase permanent magnet synchronous motor and control system

(6) Switched reluctance motor and controller

(7) High-voltage DC brushless motor and control system

(8) AC servo motor experiment

(9) AC tachometer generator

(10) Permanent magnet DC tachometer generator

(11) Rotary encoder experiment

7. Relay contact control experiment

(1) Control circuit of three-phase asynchronous motor jog and self-locking

(2) Control circuit of three-phase asynchronous motor forward and reverse rotation

(3) Control circuit of three-phase squirrel cage asynchronous motor step-down starting

(4) Control circuit of three-phase asynchronous motor energy consumption braking

Synchronous PC version:

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