CH336868A
(en )
1959-03-15
Electronic switching device with transistors
AT185876B
(en )
1956-06-11
Control transformer in economy circuit with voltage regulation at zero point
FR1100351A
(en )
1955-09-20
Duct current transformer
FR1104402A
(en )
1955-11-18
Advanced training in electromagnetic contactors
AT199262B
(en )
1958-08-25
High voltage winding for transformers with voltage control
CH357789A
(en )
1961-10-31
Circuit arrangement with magnetic amplifier
AT191516B
(en )
1957-08-26
Voltage regulator with feedforward control
AT208456B
(en )
1960-04-11
High voltage current transformer
AT195518B
(en )
1958-02-10
Railway transformer with high voltage control
CH352399A
(en )
1961-02-28
Railway transformer with high voltage control
AT186323B
(en )
1956-07-25
High voltage converter with cast resin insulation
CH334116A
(en )
1958-11-15
Return magnetic amplifier with phase control
CH403944A
(en )
1965-12-15
AC voltage regulator with premagnetized choke
AT186669B
(en )
1956-09-10
Semiconductor system with non-linear voltage characteristics
AT193996B
(en )
1957-12-10
High voltage winding for transformers with voltage control
FR1121574A
(en )
1956-08-21
Anti-jamming circuit
GB759706A
(en )
1956-10-24
Improvements in and relating to current control circuits
DK87139C
(en )
1959-04-13
Device at electrical low and high voltage control panels.
FR1134912A
(en )
1957-04-19
Installations in control position
AT192501B
(en )
1957-10-25
Combined current and voltage converter
AT196508B
(en )
1958-03-25
Control and regulation device
AT187973B
(en )
1956-12-10
Arrangement for the continuous regulation of the magnetic resistance in magnetic circuits
FR1109186A
(en )
1956-01-23
Improvements to electromagnets supplied with alternating current
CH408193A
(en )
1966-02-28
Winding arrangement with tertiary winding in high-voltage transformers
FR1117705A
(en )
1956-05-25
Further training in circuit breakers