US4622513A
(en )
1986-11-11
Gating of the thyristors in an arcless tap changing regulator
US4562384A
(en )
1985-12-31
Variable reactance inductor with adjustable ranges
GB922355A
(cs )
US3646295A
(en )
1972-02-29
Synchronous circuit interrupter
KR20100031050A
(ko )
2010-03-19
회로 차단기
US4499452A
(en )
1985-02-12
Modulation installation for sector supply of charge elements
US2839718A
(en )
1958-06-17
Autotransformer voltage regulator
US2388812A
(en )
1945-11-13
Electronic trigger method and circuit
US2620465A
(en )
1952-12-02
Apparatus for electric voltage and current regulation
US5115165A
(en )
1992-05-19
Safety lighting means for use with a high intensity discharge lamp
DE2530047C3
(de )
1979-06-21
Anordnung zum Anschalten von Transformatoren, insbesondere leerlaufenden Transformatoren, an eine Wechselspannungsquelle
SU173327A1
(ru )
БЕСКОНТАКТНОЕ ПРОМЕЖУТОЧНОЕ РЕЛЕEGZCGIQCHAI^ пл7:;1т;;з -^ т:::::;ч^г:;;пBiijAljDi^KA
JPH065189A
(ja )
1994-01-14
回路遮断器
GB126744A
(en )
1919-05-13
Improvements in or relating to Electrical Transformers for Regulating or Varying the Voltage of the Current supplied therefrom.
GB532429A
(cs )
US2158926A
(en )
1939-05-16
Electric circuit
US2159298A
(en )
1939-05-23
Controller for circuit interrupters
JPH1020945A
(ja )
1998-01-23
節電装置
JP2525373B2
(ja )
1996-08-21
電源装置
Bevan
1945
The application of high-voltage steel-tank mercury-arc rectifiers to broadcast transmitters
US1343199A
(en )
1920-06-15
Welding system
Dixey et al.
1951
Methods of increasing the power rating of vibratory convertors
US1365977A
(en )
1921-01-18
Radiotelegraphy
GB485926A
(en )
1938-05-23
Improvements in and relating to high-speed electric circuit-closing mechanism
SU1647754A1
(ru )
1991-05-07
Способ компенсации однофазного тока замыкани на землю