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Manufacturers Of :-


Other Products :-

  • Industrial Battery Chargers
  • Customized DC Power Supplies
  • C.V.T.

Frequency Converter

Frequency Converter (3ph-3ph )

TECHNICAL SPECIFICATIONS

PRODUCT TYPE : ONLINE UPS / SINE WAVE INVERTERS / FREQUENCY CONVERTERS / UPS FOR LIFTS
RATING : 6KVA to 150KVA
Mains Input : 3 phase UPS Output: 3 phase
 

INPUT

Voltage : 415 v ac , three phase, 4 wire
Range : + / - 15%
Frequency : 50Hz +/- 5Hz
 

CHARGER

Type : SCR controlled.
Regulation : Within 2%.
Efficiency : Better than 90%.
 

OUTPUT

Voltage : 400v ac, three phase, 4 wire
(each phase is independently controlled)
Voltage regulation : +/- 2% per phase
Frequency : 50Hz/60Hz/400Hz +/- 0.05% (Crystal control)
Distortion : Less than 3 % T.H.D. on linear load ( between phase to neutral).
Waveform : Pure sine wave
Technique : Sine weighted PWM, using micro controller
( high frequency switching, IGBT based inverter)
Power factor : 0.7 lag to unity.
Power rating : 6KVA to 150KVA
Inverter efficiency : Typically 90%.
Crest factor : 3:1
Transient response : Better than 4% for 100% instant load change.
Recovery time: 20 msecs
Overload : More than 150% for 5 secs.
 

PROTECTIONS (electronic protections) :

 1. Low battery.
 2. Output over/under voltage.
 3. Output overload/ short circuit.
 

MANUAL BYPASS SWITCH

 shall be provided as a common feature.