SERVOMAX


3 Phase Air Cooled Servo Controlled Voltage Stabilizers



3 Phase Air Cooled Servo Controlled Voltage Stabilizers

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. 

 

Technical specifications :

  • Input voltage range  -  300 - 460v 340 - 480v 360 - 460v ac 3 ph
  • Output voltage (3 ph)  -  415v
  • Ac system  -  unbalanced
  • 4 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%
  • 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 at 35 c
  • Type of cooling  -  natural air cooled up to 600 kva
  • Mode of system  -  fully automatic system
  • Construction  -  as per is  -  9815 1994


Salient features :

  •  Quick response time 10 milli sec (half a cycle) very high efficiency above 98% excellent regulation as high as +- 0.5% micro controller
  • Controlled system wide input range of operations & high speed of correction metering on lcd display
  • 3ph input voltage ph to ph and ph to neutral
  • 3ph output voltage ph to ph and ph to neutral system frequency
  • Output current on each ph 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

 




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