Phase shift rectifier transformer

♦multi-pulse transformer solutions for harmonic mitigation in AC drives
♦Multi-phase units available, 6,12, 24, 36 pulse Bridge
♦Maintenance-free fastening body structure, keep reliable in the long-distance transport and operation
♦VPI transformer Made of Class C Dupont insulation materials with big running temperature rise margin, strong overload capacity, high fire resistance, good thermal stability and long service life
♦Made of high-performance silicon steel sheet material and lower magnetic flux density design so as to withstand over-voltage and harmonic influence unsaturated.

Related product parameters

Main Specifications
Type	dry type
Phase	three phase
Frequency	50/ 60Hz
Rated Capacity	250 to 10000kVA
Rated HV	3kV to 13.8kV
Rated LV	3kV to 10kV
Temperature Rise	125K
Cooling Mode	AN / AF
Insulation Class	H
Winding Connection Code	Y/E/yn
Impendance	6- 9%
Secondary Windings Available	6, 9, 12, 15, 18, 21, 24, 27, 36 windings
Maximum temperature	+40℃
Minimum temperature	-25℃
Altitude	1000M

Factory Advantages:

. Customized design as per buyer s demand.
. +20 years experience R&D team, derived from a 60 years history transformer factory.
. Offering 36 secondary windings：which provides lower harmonic influence on electricity grid and equipments.

Applications:

Multi pulse rectifier transformer, Multi-phase power supply for Variable Frequency Drives. Frequency Inverter. High Voltage Rectifier, and installed in Power Plant. Boiler Fan. Coal. Mining. Petroleum. Steelworks and Water-supply System etc.

FACTORY TEST

For each transformer are prepared and issued a test report, in accordance with IEC 60076. except for routine tests, we also offer type tests and specialised tests to meet all customer requirements. We make what matters work for our customers in a safe and reliable way.

harmonic transformer

Routine test

Measurement of winding resistance
Measurement of voltage ratio and check of phase displacement
Measurement of short-circuit impedance and load loss
Measurement of no-load loss and current
Separate-source AC withstand voltage test
Induced AC withstand voltage test
Partial discharge measurement

Type test

Partial discharge measurement
Temperature-rise test

Special test

Lightning impulse test
Measurement of sound level
Short-circuit test

Contact information

Emailsales@varelen.com Tel+86 19373185639 Fax+86 731 84371029 Phone/WeChat+86 19373185639

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