Description
HIGH VOLTAGE MEASURING INSTRUMENT TRAINER
Specification:
Input 3 phase DOL Starter panel,
4 Pole MCB of 415V/4A.
DOL 9A contactor with 30V/50Hz/ 11VA COIL,
Bimetallic thermal O/L relay with range 1.4A-2.3A.
DC voltmeter and DC ammeter panel,
DC voltmeter (0-600V),
DCAmmeter (0-5A) with polarity protection diode,
Lamp Load:230V/15/40/60/100W X3 bulbs with individual ON/OFF
using 6A toggle switch
Inductive (L) Load
inductive load = 0.15H / 0.3H / 0.45H /0.6H / 0.75H / 1.5H / 3H / 400mA X 3Nos,
3 Ph. Bidirectional power cum Energy meter panel,
3 Phase ¾ wire, 415V CT Input 5A LCD/LED display,
Aux. supply 230V,45-65 Hz, 5W, V, I, Hz, Pf, KV
A, KW, KWh, 6 SCR Firing/Synchronizing Panel,
Mode selection switches (3 nos) to select cyclo converter converter or disable. Cosine firing scheme to facilate linear control for better harmonic ripple control. Cyclo converter frequency generator 25Hz/12.5Hz/6.25Hz, Mode selection switched (3 Nos.) to select Cyclo converter frequencies. converter mode or disable.
In built firing angle control pot.
Facility to apply external 0 to 2.5V signal from DAC to control firing angle.
3 No. of PT’s arranged in circuit 230V : 12-0-12 @ 50mA, 6 SCR/Diode
Power Module, Consist of 6 SCR [Body Anode Type] with PIV rating 1200V/25A.
6 Diode with PIV rating of 1200V/16Amp
6 No. of uncommitted Snubbers for protection of thyristors consisting of capacitor 0.1uF/1000V & 100E/5W ceramic resistors.
Working with 3 Phase HVDC:
a) 3 Ph. half wave uncontrolled converter with Resistive load using diodes.
b) 3 Ph. full wave diode bridge (uncontrolled converter) with Resistive load.
c) Study of SCR firing circuits in 3-ph. converter environment.
d) 3 Ph. half / fully wave fully controlled / half controlled SCR converter with Resistive Load & motor load .
Working with 3 Phase AC Voltage Control :
a)Study of SCR firing circuits in 3 ph. AC voltagecontrol.
b) 3 Ph. AC voltage controller with resistive load using SCRs.
c) 3 Ph. Induction motor speed control using SCR based AC voltage controller.
d) 3 Ph.AC voltage controller fed Induction motor Drive.
Accessories:
Connecting Wire: 1 set
User Manual: 1 Nos
Standard Accessoriec
Others:
Country of Origin: China
Manufacturing: Assemble in Bangladesh
Training
Warranty: 1 Year
