Consists of stainless steel rail, AC/DC motor, experimental modules and power control panel.
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3-phase 0~450V AC power voltage and 0~250V AC power voltage (1.5kVA, 0~450V variable autotransformer) are available; over-current protection at the AC power supply output and short circuit protection between lines and phases are equipped to against changing the fuses. Three AC analogue voltmeters are used for indicating voltages of power grid and adjustment voltage.
DC 220V@0.5A excitation power and 40~250V@3A continuously adjust armature power (with over voltage, over current, over thermal and short circuit protection) are available, with DC digital voltmeter and switches.
One group of 3-phase isolation transformer to isolate from the power grid;
Voltage mode protection 1: it protects and cut off power supply if there is any leakage before isolation transformer;
Voltage mode protection 2: it alarms and cut off power supply if there is any leakage after isolation transformer;
Current mode protection 1: it curs off the power supply if leakage current exceeds the threshold value;
Fully shrouded connections for protection against hazard of electric shock
(4) Protection on instruments
Many signal ports connected to instruments alarms and cut off power supply if over range.
(5) Timer and alarm recorder with the functions of lab service supervision
(6) Stainless-steel pipes used for easy “lift-in/out�?units' removal. 220V and 33V Outlet sockets for application units on base of the panel; single-phase and 3-phase outlet on both sides of the panel provided and one fluorescent lamp (220V, 40W) used for lighting.
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Stainless-steel guide rail, optical coded disc, (Omron) and digit-displayed tachometer
| Consists of optical coded disc and a digit-displayed tachometer. All components are easy machine coupling on a slide-rail base. The slide-rail has good coaxiality and low noise when the motor is working.
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3-phase combination transformer
| Consists of three same transformer, primary: 220V@0.35A, secondary: 55V@1.4A
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| 100W/200V 1600n/min insulated class of E
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| 120W/220V 1400n/min insulated class of E
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| 185W/220V 1600n/min insulated class of E
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3-phase squirrel-cage induction motor
| 120W/220V(Δ) 1420n/min insulated class of E
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3-phase wound-rotor induction motor
| 120W/220V(Y) 1380n/min insulated class of E
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Start/speed regulation resistor kit for use with 3-phase wound-rotor induction motor
| It is used with 3-phase wound-rotor induction motor
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3-phase synchronous motor
| 90W/220V(Y) 1500n/min insulated class of E
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| 3550W/220V(Y) 1500n/min insulated class of E
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DC digital voltmeter, milliammeter, Ammeter
| (1) One DC digit-displayed voltmeter: range: 0~1000V overlapping in ranges of 2V, 20V, 200V, 1000V switched by keys, 3 and 1/2 -digit digital display, input impedance: 10MΩ, accuracy: 0.5 %, with over range protection, indication and power cutoff.
(2) One DC digit-displayed milliammeter: range: 0~2000mA overlapping in 20mA, 200mA, 2000mA switched by keys, 3 and 1/2 -digit digital display, accuracy: 0.5 %, with over range protection, indication and power cutoff.
(3) One DC digit-displayed ammeter: range: 0~5A, 3 and 1/2 -digit digital display, accuracy: 0.5 %, with over range protection, indication and power cutoff.
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Analogue/digital AC Ammeter
| (1) One RMS AC digital ammeter: measurement range: 0~5A, auto-ranging, auto switching, accuracy: 0.5%, 3 and 1/2 -digit digital display, with over range protection, indication and power cutoff.
(2) Two analog AC ammeters: dual calibrations, measurement range: 0~5A overlapping in 0.3A, 1A, 3A, 5A, accuracy: 1.0%, switched by keys, with over range protection, indication and power cutoff.
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Analogue/digital AC voltmeter
| (1) One RMS AC digital voltmeter: measurement range: 0~500V, auto ranging and auto switching, accuracy: 0.5 %, 3 and 1/2 -digit digital display.
(2) Two analog AC voltmeters: dual calibrations, measurement ranges overlapping in 10V, 30V, 100V, 300V, 500V, input impedance: 1MΩ, accuracy: 1.0%, switched by keys, with over range protection, indication and power cutoff.
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Single/three-phase power, power factor meters
| Constructed by two microprocessors, high-speed A/D conversion chip and fully digit-displayed circuits. Intelligent control is obtained by keys and digit display. The sample signal of measured voltage and current are sent to DSP after A/D conversion for positive/active power calculation. Measurement of single/three-phase power with accuracy of 0.5% and ranges of voltmeter and ammeters are 450V, 5A. also, data can be recorded and inquiry. The total power is obtained by sum of P1+P2.
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3-phase variable resistor
| three sets of 90Ω×2@1.3A resistors
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3-phase variable resistor
| three sets of 900Ω×2@0.41A resistors
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Variable resistor and capacitor
| One set of 90Ω×2@1.3A resistors and one set of 900Ω×2@0.41A resistors, one 35μF/450V capacitor and 4μF/450V capacitor.
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Waveform test & switch board
| Consists of waveform test part and two three-pole three-throw switches and one double-pole double-throw switch.
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Rotation lights, switch, excitation power supply
| Three groups of lamps for synchronization (yellow, green and red), one group of switch and one continuously adjust power supply (5~40V/2.5A).
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Intelligent torque/rotation speed/output power tester
| Digit-display of rotation speed, output torque and power, and 15 sets of data can be stored, with interface communicated with computer.
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| The SL series squirrel-cage rotor two-phase servo motor is adopted.
The AC servo motor consists of one RMS AC voltmeter, one RMS AC ammeter, transformer (380V/220V/110V) and variable capacitor (0~6.5uF).
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Accessories and connecting wires
| PVC-covered pigtail wire with fully protection to avoid electric shock.
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1. Reorganization experiment
5. Rotational inertia measurement of rotor
6. Single-phase transformer
8. Connections and unsymmetrical short circuit of 3-phase transformers
9. 3-phase 3-winding transformer
10. Parallel operation of single-phase transformer
11. Parallel operation of 3-phase transformer
12. Operation characteristics of 3-phase squirrel-cage asynchronous motor
13. Start and speed regulation of 3-phase asynchronous motor
14. Unsymmetrical operation of 3-phase squirrel-cage asynchronous motor
15. Temperature rising of 3-phase squirrel-cage asynchronous motor
16. Rotational inertia measurement of rotor
17. Characteristics of 3-phase synchronous generator
18. Synchronization operation of 3-phase synchronous generator
19. 3-phase synchronous motor
20. Parameter measurement of 3-phase synchronous generator
21. Short circuit of 3-phase synchronous generator
22. Unsymmetrical operation of 3-phase synchronous generator
Mechanical characteristics test of motor
23. Mechanical characteristics of DC separately excited motor
24. Mechanical characteristics of 3-phase asynchronous motor
25. M-S characteristics of 3-phase asynchronous motor
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