Cooler for electrotechnical devices - allows self ventilation by air flow through ridges on reverse of back plate
EP0397913A1
Rectifying device
DE3602496A1
Method for the parallel operation of invertors, and an invertor arrangement for carrying out the method
DE3517556A1
Static invertor
DE3326474A1
Arrangement for avoiding unacceptable voltage dips when connecting loads to invertors
DE3214809A1
Device for the load-dependent switching on and off of n parallel-connected rectifiers
ATA574280A
Power supply system for switching operation with a main and additional charge rectifier for cell charging a battery arrangement
ATA574580A
Electronic synchronizer changing arrangement for parallel switching of two ac networks or. for switching a semiconductor inverter to an operating electrical network
ATA574380A
Charge rectifier with a diode rectifier center circuit connected to the second development of a mains transformer
ATA574480A
Circuit arrangement for monitoring the networked controllable semiconductor rectifier of a rectifier
DE3042928A1
Inverter clock pulse generator circuit - has integrator coupled to two comparators determining triangular waveform levels, which sends feedback signal to integrator
DE2929182A1
Battery charger combining series and step regulation - with tapped transformer winding and thyristor rectifier giving high voltage step
DE2926071A1
DC load voltage stabilising circuit - has protective switch controlled by voltage of DC converter and positioned between switch-over contact and auxiliary rectifier
DE2926022A1
Rectifier with energy return to mains - has matching transformer with input capacitors and monitors of voltage and zero crossing
DE2917380A1
Synchronisation circuit for DC=AC converter - comprises four monostables, two amplifiers, comparator, integrator and filter
DE2757203B1
Zero current detection circuit
DE2625288A1
AC voltage control unit - with tappings of transformer primary winding switched by electronic switch at current zero crossings
DE2534653A1
Transformer with continuously adjustable output voltage - has slots in core limbs through which pass pairs of control windings
DE2526478A1
DC voltage regulator with protection against overload current - with main current stage which operates with induced current stage to provide reverse current characteristic
DE2504233A1
Three-phase inverter assembly continuous switching - uses monitors between each inverter and its magnetic voltage stabiliser and output monitors
