Three phase Automatic Step voltage regulator

Three phase Automatic Step voltage regulator

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1,General

The SVR-3 type feeder three phase automatic step voltage regulator is actually a three phase oil immersed auto-transformer with SVR controller and gathering sampling of voltage &current signal, on load tap charger controlling device to achieve gird more efficient from adjust the load character by increase and decrease the voltage.

So This SVR is eqv. To a transformer equipped with on load tap charger with SVR controller sampling voltage and current data and on load tap charger steps from current transformer and voltage transformer and limit switches.

2,Main features

+High breaking capacity tap charger from self-developed technology, More reliable and more steps 2.5% each by Max 16 steps( totally 40%);

+With SVR type Smart controller, a self-developed technology, GPRS/GSM, Blue-tooth.

+With self-protection LOCK-OUT functions: Line fault, Overload, OverCurrent, Under-voltage
+With adjustable voltage datum and step scope limit, step draw delay, data setting.

3, Main technical parameter

Item

Parameter

Rated voltage

Under 6.9kV

10kV up to 22kV

Under 35kV

Rated capacity

Less than 4000kVA

Less than 12500kVA

Less than 24000kVA

No of phases

Three phase

Cooling method

ONAN

Vector group

Ya0

Steps

7/9/16* steps

Mechanical life

1000,000 times

Electrical life

50,000times

Voltage scope

20%, 30%,40%

SVR-3 type Three phase Automatic Step voltage regulator