Step Voltage Regulator
Vacuum On Load Tap Changer OLTC
This vacuum type on load tap changer (OLTC) is suitable for oil-immersed power transformers with AC 50Hz/60Hz, primary side rated voltage of 10kV, rated current of 50A and below.
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On Load Capacity Regulating Tap Changer
The on load capacity regulating tap changer is used for three phase oil-immersed capacity regulation power transformer with rated capacity of 315 kVA, 400 kVA and 630 kVA at 50Hz / 60Hz, and the voltage class is 12kV. This type on load tap changer has high stability and reliability for your free maintenance.
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SV Type On Load Tap Changer
Rockwill SV type on load tap changer, which has advanced structure, long service life and high reliability. It is normally used in high voltage oil-immersed three-phase transformer as three phase step voltage regulator with frequency 50Hz/60Hz, voltage from 110kV to 126kV, and maximum rated passing current from 200A to 350A.
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China Three phase step voltage regulator
RVR-3 type feeder automatic step voltage regulator is actually a three phase oil immersed auto-transformer with SVR controller and gathering sampling of voltage signal.
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SVR-3 type feeder automatic step voltage regulator
The SVR-3 type feeder automatic step voltage regulator is actually a three phase oil immersed auto-transformer with SVR controller and gathering sampling of voltage signal.
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Three phase Automatic Step voltage regulator
China Three phase Automatic Step voltage regulator. The SVR-3 type feeder automatic step voltage regulator is a three phase oil immersed auto-transformer with SVR controller and gathering sampling of voltage signal.
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SVR-3 type Three phase Automatic Step voltage regulator
SVR-3 type feeder automatic substation & distribution step voltage regulator is actually a three phase oil immersed auto-transformer with SVR controller and gathering sampling of voltage signal. High quality and low price.
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Step voltage regulator Single phase for Substation
Substation & distribution single phase step voltage regulator for up to 40.5kV system. Voltage regulation from 10% raise (boost) to 10% lower (buck) in 32 steps of approximately 5/8% each. Voltage ratings are available from 2400 volts (60 kV BIL) to 34,500 volts (200 kV BIL) for 60 Hz and 50 Hz systems.
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Step voltage regulator for overhead line & Substation
Rockwill Brand Single phase step voltage regulator for overhead line and substation. The voltage up to 40.5kV system. Voltage regulation from -10% to +10% in 32 steps of approximately 5/8% each. Voltage ratings are available from 2400 volts (60 kV BIL) to 34,500 volts (200 kV BIL) for 60 Hz & 50 Hz systems.
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Three phase step voltage regulator
Three Phase Step Voltage Regulator used for substation, distribution line, feeder line & overhead line. It is manufactured by Rockwill in China which has high quality and low price.
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Single-phase automatic step voltage regulator
China Rockwill substation & distribution & overhead line single phase 32 step voltage regulator for up to 40.5kV system. Voltage regulation from -10% to +10% in 32 steps of approximately 5/8% each. Voltage ratings are available from 2400 volts (60 kV BIL) to 34,500 volts (200 kV BIL) for 60 Hz & 50 Hz systems.
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