Electrical Voltage / Current/ Energy / Watt measurement & Calibration Trainer

Order Code: TPO-VIEW

Category: Electrical Machine Lab

SALIENT FEATURES Facilitates study of CT, PT tests. 3 ph., 1 ph., power measurement, calibration of energy meter, PF measurement etc. Facilitates easy and safe wiring by students due to 4mm sturdy shrouded banana patch cords and shrouded sock...



SPECIFICATION

SALIENT FEATURES

  • Facilitates study of CT, PT tests. 3 ph., 1 ph., power measurement, calibration of energy meter, PF measurement etc.
  • Facilitates easy and safe wiring by students due to 4mm sturdy shrouded banana patch cords and shrouded socket arrangement for high voltage circuits.
  • Each panel has ABS molded plastic sturdy enclosure, and colorful screwless overlays showing circuit diagram & its connection tag numbers for easy understanding and connections.
  • Set of Instructor Guide & Student Workbook.
  • Digital multifunction meters for measurement of all parameters (V,I,W,PF,VA,VAR,Energy).
  • Short circuit protection due to over loading or wrong connections.
  • Measurement CTs and protection CT provided to plot magnetization curve of CTs. Electrical Voltage / Current/ Energy / Watt measurement & Calibration Trainer

 

Technical Specifications
A] Aluminum rack 4 x 3 profile sturdy Modular flat panel (table top) system, carrying various high voltage components housed in plastic enclosures (panel) to minimize shock possibility.

  • Input 3 phase DOL Starter panel (EMT 1) (10 Shrouded Banana)
    • 4 pole MCB of 415 V/2A .
    • DOL 9A Contactor with 230V / 50 Hz / 11VA coil .
    • Bimetallic thermal O/L relay with range 1.4A - 2.3A .
    • Green SBS5 socket is provided for extend earth.
  • Integrated AC (1phase) measurement panel (EMT 20F) (8 Shrouded Banana) - 2 Nos.
    • Bidirectional Multifunction Meter
    • 3 Phase 3/4 wire, 415V, CT Input 5A
    • LCD/LED display, Aux supply 230V, 45-65 Hz, 5W
    • V.I., Hz, Pf, KVA, KW,KWH
    • Modbus RTU RS 485 (optional)
    • Green SBS5 socket is provided for extend earth.
  • Integrated AC (3/1 phase) measurement panel (EMT 34 ) (8 Shrouded Banana)
    • Digital meter (96X96mm) for measurement of 3Ø & 1Ø parameters.
    • Voltage line to line & line to neutral.
    • Current for all 3Ø up to 5A.
    • Power factor, frequency, watts, VAR, VA and energy in Kwhr.
    • Green SBS5 socket is provided for extend earth.
  • Potential Transformer [PT] Panel (EMT 40) (33 Shrouded Banana)
    • Consists of 2 nos. of PTs (230V:24V secondary), 200VA with both primary &secondary terminated at shrouded 4mm sockets.
    • Null detection & balancing components- 2 capacitors (100pF, 0.001uF) & 47K, 33K resistors & 470K pot.
  • Current Transformer [CT] Panel (EMT 46) (39 Shrouded Banana)
    • Consists of 2 nos. of EI core CTs (5A:1A secondary) and 1 no. of ferrite CT (40A: 0.4A Sec.) with both primary & secondary terminated at shrouded 4mm sockets.
    • Null detection & balancing components- 3 capacitors (10uF, 1uF, 0.1uF) & 100E / 0.25W, 0.1E, 0.01E 5W resistors, 500E pot.
  • Single Phase Input MCB Panel (EMT 16A) (10 Shrouded Banana)
    • 1 Ph. MCBs of 4A/1.6A 2nos.
    • no. of Lamp Holder with input terminals.
  • Lamp Load (EMT 7) (12 Shrouded Banana)
    • 230V /15/40/60/100W X 3 bulbs with individual ON/OFF using 6A toggle switch.
  • Resistor Load panel (EMT 14A/14B) (18 Shrouded Banana)
    • AC Resistors : 10K / 5K / 3.5K / 2.5K / 2K / 1.5K / OFF 200W x 3 phases / 6 taps.
    • DC Resistors : 750E / 600E / 300E / 212E / 162E / 125E/ 112E / 100E / 400W /8 taps + OFF + separate 60E tap for DC series Gen.
  • LC Load panel (EMT 15A/15B) (30 Shrouded Banana)
    • Inductive load : 0.15H/0.3H/0.45H/0.6H/0.75H/1.5H/ 3H /400mA X 3Nos.
    • Capacitive load : 1.25u /2.5u/5u/415VX 3Nos
  • Variable AC Voltage & current injector Panel (EMT23A) (16 Shrouded Banana)
    • Variable AC voltage O/P : 0-270V/0.75A
    • Variable AC current O/P : 0-12 Amp
  • 3 phase variable variac: 415VAC/3A

Optional Accessories :

  • The following 3 accessories are costly and not supplied [Optional] with Need to order separately.
  • Phase Shifting Transformer : 3 phase 300W AC slipring motor mounted on chassis with replaceable PSLR mechanism to make phase shifting transformer using built in worm wheel & gear mechanism.
  • Phase angle meter panel (EMT61 panel):
    • Measure phase angle between two voltages (230/ 440 Vac, 50Hz)
    • Internally 2 PTs provided for isolation
  • 1 phase 300VA transformer with primary 0-230Vac and secondary 0 - 115 - 230Vac as sample to measure iron loss in transformer using Lloyd fisher square method

 

List of Experiment :

  1. Current transformer (CT) testing
  2. Potential transformer (PT) testing
  3. Calibration of single phase energy meter
  4. Measurement of 3ø power by 2 wattmeter method
  5. Measurement of 3ø power by 1 & 3 wattmeter method
  6. Measurement of power in a 1ø AC circuit using 3 ammeter method
  7. Measurement of power in a 1ø AC circuit using 3 voltmeter method
  8. Find out filament resistence at cold and hot condition.
  9. Power factor improvement technique using shunt capacitor
  10. Study effect of grounding of the neutral point in a 3 ph. system.
    1. Solidly grounded neutral
    2. Resistance grounded neutral
    3. Floating neutral (ungrounded)
  11. Plot the magnetization curve of measurement CT & Protection CT & determine knee point voltage.
  12. Iron Loss Measurement in a X’mer using Lloyd fisher square method. Needs optional 300VA transformer.
  13. Self and mutual inductance measurement of PT
  14. Measurement of 3 phase power by using 2 CTs and 1 Wattmeter.
  15. Measurement of 1 phase power by using external CT & PT.
  16. Current Transformer (CT) testing by Silsbee method Need to order phase shifting transformer separately
  17. Calibration of LPF wattmeter by phantom loading 

Mechanical Dimension(mm):

  • 960(L) x 300(W) x 720(H)
  • l Net Wt. : 40 kg., Gross Wt.: 51 kg.

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