ZE3153 Electrical Machine Trainer Transformers/Motor/Generators Didactic Equipment Electrical Lab Equipment System Features: - Modularized design providing the most flexible requirement of the system. - Each Module panel height compatible with DIN A4 standard - Using 4 mm safety sockets and plugs to patch experiment circuit - Each DC/AC power supply equipped with overload protection. - Rotary machine and brake are equipped with over-heating protection. - Adopting digitized and microprocessor-based measuring instrument to provide high-accuracy measurement. - Use magnetic power brake unit and brake controller to emulate as the mechanical load of the motor. - Brake with constant speed/constant torque function, easy to operate. - Offering 5 control modes to test motor, such as manual mode, closed-loop constant torque / speed mode, etc - Drawn motor speed, torque, power, brake control voltage, and current in full window - 300W-grade designed equipment suitable for learning the theory and characteristics of electrical machines. - Standalone machine design equipped with two shaft ends and aluminum alloy base for coupling to other machines. - The component symbol, value, and functional diagram are clearly printed on each module panels. - Machines are compatible with Power Electronics System. Components 1. DC Permanent-magnet Machine - This machine in functioning for motor and generator operation. - Rating for motor operation Rated Voltage : 180Vdc Rated Current : 2.7A Rated Speed : 2500 rpm Rated Power : 0.4 Kw 2. DC Multifunction Machine - It can serve as shunt, series, compound wound machine - As a shunt wound motor Rated Voltage/ Current : 220Vdc / 1.65A Rated Speed : 1770 rpm Rated Power : 0.25Kw - As a separately excited generator Rating Voltage/ Current : 170vdc / 1.2A Excitation Voltage/ current : 200Vdc/ 0.1A Rated Speed : 2000 rpm Rated Power : 0.2Kw 3. Single Phase Induction Motor - With starting and operating capacitors Rated Voltage : 220Vac, 50/60Hz - Ratings for 60Hz power Rated Current : 2.37A Rated Speed : 1680 rpm (60Hz); 1430rpm (50Hz) Rated Power : 0.3Kw Power Factor : 0.89 Starting Capacitor : 100µF Operating Capacitor : 16µF 4. DC Shunt Wound Machine - This Machine is used for motor and generator operation - Ratings for motor operation Rated Voltage/ Current : 220Vdc/ 1.65A Rated Speed : 1800 rpm Rated Power : 0.25Kw 5. DC Series Wound Machine - This machine can be used for motor and generator operation - Ratings for motor operation Rated Voltage/ Current : 220Vdc/ 1.65A Rated Speed : 1800 rpm Rated Power : 0.25Kw 6. DC Compound Wound Machine - This machine can be used for motor and generator operation - Ratings for motor operation Rated Voltage/ Current : 220Vdc/ 1.65A Rated Speed : 1800 rpm Rated Power : 0.25Kw 7. Three Phase Salient Pole Synchrounous Machine - This machine is available for motor and generator operation - Rating for motor operation Rated Voltage/ Current : Δ 220Vac/ 1.17A Excitation Voltage/ Current : 60Vdc/ 0.3A (60Hz) 66Vdc/ 0.35A (50Hz) Rated Speed : 1800 rpm (60Hz); 1500 rpm (50Hz) Rated Power : 0.3Kw Power Factor : 1.0 - Ratings for generator operation Rated Voltage/ Current : Δ 220Vac/ 0.8A Excitation Voltage : 60Vdc Rated Speed : 1800 rpm (60Hz); 1500 rpm (50Hz) Rated Power : 0.3Kw Power Factor : 1.0 8. Three Phase Rotor Winding Motor Rated Voltage : Δ 220Vac, 50/ 60Hz Rated Current : 2.0A Rated Speed : 1630 rpm (60Hz); 1410 (50Hz) Rated Power : 0.35Kw Power Factor : 0.7 9. Three Phase Squirrel Cage Motor Rated Voltage : Δ 220Vac, 50/ 60Hz Rated Current : 1.4A Rated Speed : 1670 rpm (60Hz); 1420 (50Hz) Rated Power : 0.3Kw Power Factor : 0.82 10. Magnetic Powder Brake Unit a) Power Supply: 110/220 Vac b) Type: forced air-cooling magnetic powder brake c) Braking Torque: 0.999 kg-m (9.999 N-m) max. d) Speed Sensing: photoelectric type, 60 pulses/rev. e) Torque Sensing: strain-gage torque transducer, torsion bar f) Temperature Sensing: thermal switch g) Base Unit: integral, aluminum alloy h) Connecting to controller via the dedicated cable i) Cooling Fan: 12 Vdc, 0.29 A j) Analog DC Outputs: Torque output (1V/1 kg-m), Speed output (1V/1000 rpm), Power output (1V/1 Kw) 11. Brake Controller a) Power Supply: 110/220 Vac b) Connecting to magnetic powder brake unit via dedicated cable c) 4-digit 7-segment LED Display: 2 sets Display speed (S), torque (T) and power (P) of the motor under test Display control voltage (V) and current (I) applied to Magnetic Powder Brake Unit d) LCD Character Display (20x2) & Buttons for command control of entry and display e) LCD Graphic Display (128x64) Graphical display characteristics of brake and motor Display, record and save various values presenting on LED display f) Display Range: Torque: 0 ~ 0.999 kg-m or 0 ~ 9.999 N-m l Speed: 0 ~ 9999 rpm Power: 0 ~ 9.999 KW l Voltage: 0 ~ 24 V Current: 0 ~ 0.999 A g) Control Mode: Open-loop control mode Manual loading and unloading power to brake Automatic loading and unloading power to brake Selectable initial power Wi and max power Wm: 0 ~ 0.99 kg-m Selectable loading time: 1 ~ 15 sec Closed-loop control mode Constant-torque mode Constant-speed mode h) Fault detection and indication MAIN indicator for controller fault BRAKE indicator for brake fault MOTOR indicator for motor fault 12. DC Power Supply Module - Module design - Working Voltage : 3 phase 220Vac, 50/60 Hz - Fixed Output Voltage : 200Vdc/10 A max. - with current limiting and start functions - Fuse protection - Terminals : 4mm safety sockets 13. Three-phase Power Supply Module - Module design - Overcurrent/Leakage protection switch - Start and emergency off buttons - Working Voltage : 3 phase 220 Vac, 50/60 Hz - Rated Output: 3 phase 220 Vac/10 A - Fuse Protection - Terminals: 4mm safety sockets 14. Synchronous Machine Exciter Module - Module design - Working Voltage: 220 Vac, 50/60 Hz - Output Voltage: AC 0 ~ 220 V/0.8 A 0 ~ 120 V/1.6 A 0 ~ 40 V/2.5 A DC 0 ~ 220 V/0.8 A 0 ~ 120 V/1.6 A 0 ~ 40 V/2.5 A - Terminals: 4 mm safety socket 15. AC/DC Power Supply - Bench Top design - Working Voltage : 3 phase 220Vac, 50/60 Hz - Output Voltage : 3 phase 0 ~ 260V/5 A DC 0 ~ 230 V/5 A - Fuse protection - Terminals : 4mm safety sockets 16. 3-P Current Limit Protection Switch Module - Module design - Switch Load: 400 Vac/10 A - Current Setting Range: 2.5 ~ 4.0 A (Adjustable current limiting) - Terminals: 4 mm safety sockets 17. Four-pole Switch Module - Module design - Switch Load: 400 Vac/15 A - Terminals: 4 mm safety sockets 18. Reversing Switch Module - Module design - Switch Load: 400 Vac/10 A - Switch Positions: FOR - STOP - REV - Terminals: 4 mm safety sockets 19. Y /△ Starting Switch Module - Module design - Switch Load : 400 Vac/15 A - Switch Positions: 0 - 1 - 2 (0 - Y- △) - Terminals: 4 mm safety sockets 20. DC Machine Starter - Module design - Resistance: 47Ωcircular rheostat, adjustable - Current: 1.4 A - Rated Power: 100 W - Fuse Protection - Terminals: 4 mm safety sockets 21. DC Motor Field Regulator - Module design - Resistance: 2.2 K Ω circular rheostat, adjustable - Current: 150 mA - Rated Power: 50 W - Fuse Protection - Terminals: 4 mm safety sockets 22. DC Generator Field Regulator - Module design - Resistance: 2.2 K Ω circular rheostat, adjustable - Current: 150 mA - Rated Power: 50 W - Fuse Protection - Terminals: 4 mm safety sockets 23. Winding Machine Starter - Module design - Control three-phase motor starting - Starting Impedance: 5 steps, 3 resistors, 0 ~ 1.65 Ω each - Rated Current: 3A - Terminals: 4 mm safety sockets 24. Reactive Compensator - Module design - Capacitors: 2μF/450 V x 3 3μF/450 V x 3 - Terminals: 4 mm safety sockets 25. DC Generator Load Resistor - Module design - Resistor: 1 K Ω circular rheostat, adjustable - Rated Power: 300 W - Fuse Protection - Terminals: 4 mm safety sockets 26. Resistive Load - Module design - Load Resistors: 3 resistors (Y connection), 6 steps, 920 Ω/20 W each step - Rated Load: 220 V/1.0 A - Fuse Protection - Terminals: 4 mm safety sockets 27. Capacitive Load - Module design - Load Capacitors: 3 capacitors (Y connection), 6 steps, 2.5 μF/250 V each step - Rated Load: 220 V/1A - Fuse Protection - Terminals: 4 mm safety sockets 28. Inductive Load - Module design - Load inductors: 3 inductors (Y connection), 6 steps, 1.7 H/160 mA each step - Rated Load: 220 V/1A - Fuse Protection - Terminals: 4 mm safety sockets 29. Fuse Set - Module design - 4 D-Type Fuses, 4A/500V - Terminals: 4 mm safety sockets
30. Digital DCA Meter - Module design - Measurement Range: DC 0 ~10 A - Display: 3 1/2 digits 14.2 mm LED - Accuracy: ± 0.2% ±1 digit - Resolution: 0.01 A - Input Impedance: <= 0.1 Ω - Power Source: 220 Vac, 50/60 Hz - Terminals: 4 mm safety sockets 31. Digital DCV Meter - Module design - Measurement Range: 0 ~ 600 Vdc - Display: 3 1/2 digits 14.2 mm LED - Accuracy: ± 0.2% ± 1 digit - Resolution: 1 V - Input Impedance: >=1 MΩ - Power Source: 220 Vac, 50/60 Hz - Terminals: 4 mm safety sockets 32. Digital ACA Meter - Module design - Measurement Range: AC 0 ~ 10 A - Display: 3 1/2 digits 14.2 mm LED - Accuracy: ± 0.3% ± 1 digit - Resolution: 0.01 A - Input Impedance: <= 0.1Ω - Power Source: 220 Vac, 50/60 Hz - Terminals: 4 mm safety sockets 33. Digital ACV Meter - Module design - Measurement Range: 0 ~ 600 Vac - Display: 3 1/2 digits 14.2 mm LED - Accuracy: ± 0.2% ± 1 digit - Resolution: 1 V - Input Impedance: >=1 MΩ - Power Source: 220 Vac, 50/60 Hz - Terminals: 4 mm safety sockets 34. Digital Three-phase Watt Meter - Module design - Power: single-/three-phase, 0 ~ 2 KW (240 V/5 A) - Display: 4 1/2 digits 14.2 mm LED - Accuracy: ± 0.3% ± 3 digit - Resolution: 0.1 W - Power Source: 220 Vac, 50/60 Hz - Terminals: 4 mm safety sockets 35. Digital Power Factor Meter - Module design - Measurement Range: -0.50 ~ 1.00 ~ +0.50 (240 V/ 5 A) - Display: 3 1/2 digits 14.2 mm LED - Accuracy: ± 1% ± 1 digit - Resolution: 0.01 V - Power Source: 220 Vac, 50/60 Hz - Terminals: 4 mm safety sockets 36. Digital RPM Meter - Module design - Display: 5 digits - Measurement Range: 0 ~ 99999 rpm - Accuracy: ± 0.1% ± 1 digit - Power Source: 220 Vac, 50/60 Hz 37. Digital Power Analysis Meter - Display: 4 digits (9999),0.4” LED indicators (V, A, W, PF, Hz, Var) 5 digits (99999), 0.4” LED indicators (WH, VarH) - Input range: Voltage: 35 ~ 600V(L~L) Current: 0.05 ~ 5A Frequency: 45Hz ~ 65Hz - Accuracy: (at 23 ± 5°C sine wave) Voltage: ±0.1% of reading ; ±0.15% of range Current: ±0.1% of reading ; ±0.15% of range Watt: ±0.2% of reading ; ±0.3% of range Var: ±0.2% of reading ; ±0.3% of range Power factor: ±0.5% of range PF polarity: “+” lagging, “-” leading Watt hour: ±0.25% of reading ±0.05% of range Var hour: ±0.25% of reading ±0.05% of range Hz: ±0.2% of reading - CT. PT scaling: 1 ~ 9999 - Factors: Setting for REF: 0.800 ~ 1.200 - Power supply: 220 Vac - Communication Port: RS-232(Standard), RS-485(Option) - Terminals: 4 mm safety sockets
40. System Transformer - Rated Power: 1.5 KVA - Primary: depend on the local line voltage - Secondary: 3 220Vac - Frequency: 50/60Hz
42. Laboratory Table - Dimensions: 1800(W) x 900(D) x 780(H)mm ± 5%
43. Experimental Frame - The experimental frames described below are suitable for setting up of test circuits and for demonstration purposes with 297 mm high experimental panels. - The experimental frames can be secured to benches or back uprights and removed to any time. - The side pieces consist of rectangular tube steel, 60x30x2mm, protected against corrosion, horizontal sections consists of anodized-aluminum H profiles. - Frames dimension: 1800(W) x 730(H) x 250(D)mm ± 5% 1800(W) x 1060(H) x 250(D)mm ± 5%
44. Connecting Lead Holder - Mobile type, with 5-foot tubular steel base, with five casters. - Height: 1400mm, chipboard suitable with 20 connecting leads slots.
45. Coupling - Material: Rubber - Coupling sleeve for mechanical connection between two electrical machines.
46. Coupling Guard - Material: Plate coating - Attachable guard for contact-proof with electrical machines rotating parts
47. Shaft End Guard - Material: Plate coating - Attachable guard for avoiding to contact with electrical machines rotating parts
49. Safety Bridging Plugs Set - 4mm safety bridging plugs 19 mm spacing - Max. Rating Current: 19 A - Consists of: KCN-419A safety bridging plug. KCN-419B safety bridging plug.
Applications : Laboratory Experiments for the Electrical Machines
I. Single-Phase Transformer - Polarity test - Turns ratio test - Open circuit test - Short circuit test - Load characteristic tests Resistive load Inductive load Capacitive load
II. Three-Phase Transformer - Three-phase connections Y -Y connection Y -△ connection Y -Z connection △-Y connection △-△ connection △- Z connection
III. DC Machines - DC permanent-magnet motor Connection and motor direction control Torque-speed characteristic - DC shunt wound motor Connection and motor direction control Torque-speed characteristic Speed control - DC separately-excited generator No-load saturation characteristic Load characteristic - DC shunt wound generator No-load characteristic Load characteristic - DC series wound motor Connection and motor direction control Torque-speed characteristic Speed control - DC series wound generator Load characteristic - DC compound wound motor Connection and direction control of DC cumulative-compound wound motor Torque-speed characteristic of DC cumulative compound wound motor Speed control of DC cumulative-compound wound Motor Connection and direction control of DC differential-compound wound motor Torque-speed characteristic of DC differential-compound wound motor Speed control of DC differential-compound wound motor - DC compound wound generator Load characteristic of DC cumulative-compound wound generator Load characteristic of DC differential-compound wound generator IV. Induction Machines - Single-phase induction motor Torque-speed characteristic with split-phase winding starting Torque-speed characteristic with capacitor starting and running - Three-phase squirrel cage induction motor Connection and motor direction control Y-△ starting PF correction No-load characteristic Blocked-rotor test Torque-speed characteristic - Three-phase rotor winding induction motor Connection and motor direction control Blocked-rotor test Torque-speed characteristic - Three-phase salient pole synchronous motor Connection and motor direction control Excitation characteristic Load characteristic - Three-phase salient pole synchronous generator Armature resistance measurement No-load saturation and short circuit characteristic Load characteristic Excitation characteristic
Supplied Courseware and manual 2 original copy in English(colour) : - Standard Operational / Programming manual - Maintenance manual and part list
arge facilities and protected by a fuse. Master discharge switch shall be an incorporated feature.
