Servo Controlled Voltage Stabilizer - 5.0 Kva To 2000 Kva Capacity, Air And Oil Cooled Modules, Continuous Operation Control

Technical Specifications

Capacity

Metering

5.0 KVA to 2000 KVA

Input voltmeter with selector switch (Ph-Ph and Ph-N)

Cooling

Output Voltmeter with selector switch (Ph-Ph and Ph-N)

Air and Oil cooled in two separate modules

Ammeter for R, Y B input currents with selector switch

Type

Oil temperature by digital meter

Indoor, floor mounting Balanced/ Unbalanced

Indications (using LED type lamps)

Input Voltage Range

Input ON (alter MCCB) one lamp

300-460 V/ 320-460 V/ 340-460 V/1360-460 V in

Output R, Y B separate lamps (after MCCB)

3-phase. 4 wires AC system

Input phase reversal

170-270 VAC/ 140-270 VAC, Single Phase (any other specification as per requirement)

Input single phasing

Output Voltage

Unit over temperature

380 VAC/400 VAC/ 415 VAC1%, 3 phase. 50 Hz

Input MCCB Trip

220 VAC/ 230 VAC 1%. Single Phase or any voltage as per requirement for both Single and Three Phase

Output MCCB Trip

Output Voltage Adjustment

Protection*

5%

Input MCCB for OL & SC protection

Frequency Range of Operation

Output MCCB for oL & SC protection

47-53 Hz

Input Phase reversal

Correction Speed

Input single phasing

35 volts/sec

Bypass Arrangement

Control Circuit

Suitable bypass arrangement for bypassing the input supply to output and isolating the Servo Stabilizer tor maintenance/repair

Solid-state electronic plug-in PCB circuits

Power Circuit Diagram on Panel (Mimic panei)*

Efficiency

Power and control circuit diagram with above indication to be screen printed (Mimic panel) on the front panel of the Servo Stabilizer

Above 98% at full load, Above 95% at half load

Operating Temperature

Adjustment

Upto 50 C

Output voltage level and correction sensitivity to be adjustable

Operating Humidity

Duty Cycle

Upto 95% RH

Continuous

Continuing To

Short Time Overload Capacity

IS : 9815 with latest amendments

Not less than 110% for 5 minutes, 125% for 1 minute

Oil

Alarms and Trippings*

Transformer grade oil confirming to IS: 335/IEC 296

Output voltage Hl/LOW alarm and tripping through output

General

MCCB

Painting using 7 tank process system, earthling bolts, lilting hooks

Input single phasing alarm and tripping through input

MCCB

lnput phase reversal alarm and tripping through input

MCCB

Over temperature sensing and alarm