To provide a compact tap changer capable of changing taps at high speed and quietly while having a simple configuration with less driving mechanism compared with conventional ones, and to provide an inexpensive, quiet, and space-saving on-load tap changing pole transformer by employing the tap changer.
The tap changer includes: a tap-up driving unit for performing a tap-up driving by converting a linear motion of a plunger by a tap-up solenoid to a rotary motion so as to rotate a driving shaft; and a tap-down driving unit for performing a tap-down driving by converting a linear motion of a plunger by a tap-down solenoid to a rotary motion so as to rotate the driving shaft. An on-load tap changing pole transformer mounting the tap changer is provided.
MOTOHASHI JUN
ITOI KAZUTOSHI
ENDO TOMOSHI
KOBAYASHI NOBORU
TOKYO ELECTRIC POWER CO
JPH01125812A | 1989-05-18 | |||
JPS5810324U | 1983-01-22 | |||
JPH07220956A | 1995-08-18 | |||
JPH01125812A | 1989-05-18 | |||
JPS5810324U | 1983-01-22 | |||
JPH07220956A | 1995-08-18 | |||
JPS52116825A | 1977-09-30 | |||
JPS6179211A | 1986-04-22 | |||
JPS4944220A | 1974-04-25 | |||
JPH10270265A | 1998-10-09 |
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