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CE-123 Motor, Transformer and Electrical Technology Trainer
• This is a comprehensive electrical engineering experimental system, providing a wide training range for electric motors and control transformers, as well as the related drive and control technologies.
• All motors and generators come with standard aluminium profile mounting base, coupling and foot pad for easy experimental combination via universal shaft couplings of same height.
• The frame adopts standard aluminum profile with modular experiment panel design, thus, making it easily to build different experiment combination on the flexible two-layer structure. All the upper parts are removable including the experiment module, power supply module and frame support.
• All terminals are led out on printed composite panel with 4mm safety socket and connected by full sealing sheathed pluggable connector. The complete unit is movable with lockable truckles on bottom and available for training content extension by using other CHOIEO modular electrical units.
DC Motor:
• Acknowledge of motor / instrument / rheostat
• Cold resistance measurement of DC motor/generator armature winding
• Starting / speed regulation / direction control of DC separately excited motor
• DC generator no-load / external / regulating characteristics
• DC shunt generator self-excitation and external characteristics
• DC compound generator distinction and external characteristics
• DC shunt motor operating / mechanical / regulation characteristics and dynamic braking
• DC series motor operating / mechanical / regulation characteristics
Asynchronous Motor:
• Three phase squirrel cage asynchronous motor working characteristics
Motor slip ratio measurement
Stator winding cold resistance measurement
Stator winding head/tail end judgment
No-load / short circuit / load experiment
• Three phase wound rotor asynchronous motor starting / speed regulation and torque test
• Single phase resistor starting asynchronous motor
Stator winding cold resistance measurement
No-load / short circuit / load experiment
• Single phase capacitor starting asynchronous motor
Stator winding cold resistance measurement
No-load / short circuit / load experiment
• Single phase capacitor running asynchronous motor
Stator winding cold resistance measurement
Effective turns ratio measurement
No-load / short circuit / load experiment
• Dual speed asynchronous motor four / two-pole working characteristics testing
Synchronous Motor:
• Three phase synchronous generator running characteristics
Armature winding cold resistance measurement
No-load / three phase short circuit experiment
Inductive load characteristics
External characteristics under resistance load
Regulation characteristics under resistance load
• Three phase synchronous motor
Asynchronous starting
V type curve under different output power
Working characteristics measurement
• Parametric measurement of three phase synchronous generator
Synchronous reactance measurement
Negative sequence reactance and resistance measurement
Zero sequence reactance measurement
Subtransient / transient reactance measurement
Measurement of Motor Mechanical Characteristics:
• Mechanical characteristics of separately excited DC motor under different running states
Mechanical characteristics under electric running and regenerative braking state
Mechanical characteristics under electric running and reverse braking state
Mechanical characteristics under dynamic braking state
• Mechanical characteristics of three phase asynchronous motor under different running states
Mechanical characteristics under electric running and generating braking state
Mechanical characteristics under electric running and reverse braking state
Mechanical characteristics under dynamic braking state
No-load loss curve
Single Phase Transformer:
• Measure the single phase transformer ratio and parameter by no-load and short circuit experiment
• Draw out the T type equivalent circuit diagram according to parameters be measured
from no-load and short circuit experiment
• Measure the running characteristic of transformer by resistive / inductive / capacitive load experiment
• Parallel operation of transformer (polarity discrimination, parallel two transformers)
Three Phase Transformer:
• High / Low voltage winding discrimination, primary / secondary polarity measurement
• Measure the three phase transformer ratio and parameter by no-load and short circuit experiment
• Three phase transformer Y-y12 connection
• Three phase transformer Y-y6 connection
• Three phase transformer Y-Δ11 connection
• Three phase transformer Y-Δ5 connection
• Voltage vector diagram of three phase transformer under different connections
Electric Drive:
• Inching control circuit
• Self-locking control circuit
• Inching and self-locking control circuit
• Contactor interlock controlled three phase asynchronous motor forward and reverse control circuit
• Button/Contactor interlock controlled three phase asynchronous motor forward and reverse control circuit
• Remote / local / multi-place start stop control circuit
• Automatic round trip control circuit
• AC contactor controlled three phase asynchronous motor sequential starting circuit
• Time relay controlled three phase asynchronous motor sequential starting circuit
• Three phase asynchronous motor sequential starting, reversed sequence stop control circuit
• Three phase asynchronous motor Y-Δ starting control circuit
• Reduced voltage starting control circuit of three phase asynchronous motor with series resistor
• Three phase dual speed motor control circuit
• Three phase asynchronous motor dynamic braking circuit
• C620 lathe machine electrical control circuit
1. Mobile aluminium experiment stand | 2. Mobile aluminium storage stand | 3. EDY-101 Three phase power supply |
4. EDY-002 Three phase voltage regulator | 5. EDY-102 Integrated DC power supply | 6. EB-120 AC voltmeter & AC ammeter 2.0 |
7. EB-220 DC Voltmeter & DC Ammeter 2.0 | 8. EB-310 Power & Power factor meter 1.0 | 9. EK-001 Selective switching unit |
10. ET-101 Single phase transformer 1.0 | 11. ET-301 Three phase transformer 1.0 | 12. ER-010 Capacitive load 1.0 |
13. EZ-010 Resistive load 1.0 | 14. EZ-020 Resistive load 2.0 | 15. EZ-030 Resistive load 3.0 |
16. EG-010 Inductive load 1.0 | 17. ED-001 Main power supply control & AC contactor | 18. ED-002 Position limit switch & control button |
19. ED-003 Thermal overload relay & time relay | 20. Speed & Torque measuring system | 21. Spring gauge force readout mechanism |
22. Accessories | 23. Experiment motor | / |
22. Accessories:
- Foot pad x4 for each mounting base plate
- Shaft couplings for each motor
- Safety whole sealing cable: conductor cross section: 16AWG tinned copper wire, 3kV, 20A, with axial socket
- Experiment guidebook
- Wiring instruction maps
23. Experiment motor:
1-3 sets | 35 working days |
>3 set | to be negotiated |