12 pulse double rectifier equipment uses rectifier transformer to supply power ;The transformer has two
output windings: one is star output and the other is angle output. Advantages of 12 pulse medium freguency
power supply:
1.Effectively reduce 5th and 7th harmonics and pollution to power grid
2.Double the inverter voltage to effectively reduce the line loss
3.lt is convenient to improve the power capacity of the equipment and greatly improve the stability of the
equipment.
4.The power saving effect is obvious, which is similar to lGBT transistor equipment.
5.BuiK in expansion function.
6.lt has perfect over-current, over-voltage, water shortage, phase loss,automatic power-off protection and other
functions.


The copper bars and copper pipes in the power supply cabinet are made of well-known domestic brands, and the
copper bars are sandblasted, passivated and manufactured according to specifications. The components of the
oower cabinet are arranged reasonably, and the wiring are standardized, which is easy to maintain. Series resonant
design, modular design, wide copper bar. 12 and 24 pulse rectification, full-function main switch (intelligent circuit
breaker) with current display. Humanized design runs through the whole power cabinet design, which is easy to
maintain.
Closed capacitor cabinet design, wide output copper bar, low loss, reasonable cabinet layout
A series resonant dual-output power cabinet and two furnace bodies form a dual-power smelting system. The
output power can be arbitrarily and steplessly distributed between the two furnace bodies. Two furnaces can be
powered at the same time, one for melting and the other for heat preservation. The rectification part of the powel
cabinet adopts a fully open design, so the power factor is high and the high-order harmonics are small.
The power cabinet is also equipped with a smelting manager. PLc and man-machine interface constitute a
convenient operation of the smelting manager, the functions include: automatic furnace start, cold furnace start
fault diagnosis, fault information display and storage, operation information display, system status display, etc.