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Voltage Stabilizer #257686

3 Phase Air Cooled Servo Controlled Voltage Stabilizers

Input voltage range 300 – 460v 340 – 480v 360 – 460v ac 3 ph
Output voltage(3 ph) 415v
Ac system unbalanced
wire r y b n
Connections star
Operating frequency 47 to 53 hz
Output voltage adjustable 380 to 415v ac in 3 ph
Output voltage regulation + 1% (no load)
Output voltage regulation + 1% (full load)
Overload capacity 120.00%
Correction rate 60 30 25v per sec-3 phase
Waveform distortion nil
Output waveform TRUE
Reproduction of input insulation class f short circuit
Period & percentage 300% for 250 milli sec. 0 0 normal
Operation temperature 0 c to 45 c 0
Climate conditions 90% rh max.
Non condensing 35 c
Type of cooling natural air cooled up to 600 kva
Mode of system fully automatic system
Construction as per is – 9815 1994

Provides perfectly stable output even under severe conditions of unbalanced voltage conditions. Ideal to protect the electrical and electronic equipments from high and low voltage.

Protections

Single Phasing Prevention
Output Electronic Over Load Protection
Phase Reversal Protection
Input Short Circuit Protection with MCB
Input Over Load Protection with MCB
Output Low Voltage Protection
Output High Voltage Protection
Audio Alarm for Protections

Indications

Mains Input on 3 LED Indications,
3ph output on indication
Phase Reversal indication
over Load indication

Indications in LCD Display

Input High and Input low
Output on indication
Output high Cutoff and Output Low Cutoff

Programmable Parameters

Output voltage set ( 210-245V)
Output Low Voltage Cutoff
Output High Voltage Cutoff
Input Low on LCD Display
Input High on LCD Display
Sensitivity / Regulation
Over Load Cutoff
CT full scale

Programmable Control Timings

Over load Cutoff Time
Auto Restart Time
On & Off Delay Time

Programmable Controls

Display Scrolling Auto / Manual
Start / Stop Buttons
Menu / Start / Stop / Reset / Log Button
Data Log: Last 100 fault events log with Date & Time stamp and works on FIFO basis.
Very Important For CSD
Analysis Problems

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Single Phase Servo Stabilizers

input voltage range 170-270v ac, 50 hz
output voltage 230v ac 50 hz 1phase
operating frequency 47 to 53 hz
output regulation 1.00%
correction speed 35vsec
line regulation 1.00%
load regulation 1.00%
wave-form distortion nil
power factor effect nil
output wave -form true reproduction of input
type of cooling natural
air-cooled system construction as per is – 9815
efficiency 98.5% response time – 10 milli sec
Servo motor drive rugged ac step synchronous motor enclosure – ip32 indication on front panel
input on output on output cut off
input low input high 0-300 v 72 sq. Mm analog meter to read output voltage output connection
sockets 1 & 2 kva
connectors 3 kva to10 kva
nut & bolt termination above 10 kva

with Relay / Contactor

High voltage protection
Low voltage protection

with MCB

Overload protection
Short circuit protection

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Linear Automatic Servo Stabilizers

Type Indoor / Outdoor
Input Voltage Range 360-460V, 340-480V, & 300-460 V
Output Voltage 415 V + 1%, 3-Phase, 50 Hz
Efficiency (approx) 99.5%, 99%, 98.7%, 98.5%
Cooling Oil Cooled
Temperature Rise 40oC above ambient
Mounting On Uni-directional Wheels
Corrections Rate 8-12 V/Sec.(Up to 500KVA)&6-8 V/Sec (500 to 1000 KVA)
Wave form distortion Nil
Duty Cycle 100% Continuous

Servo Voltage Stabilizers come in a wide range of models. The standard 3-phase models are suitable for balanced & unbalanced supply/loads, which conform to the following

Most Suitable For