1. How the current of the transformer is loaded? 1) Accurate load current equilibrium of parallel basic units is controlled by additional PWM correction. Several units with synchronous PWM are run in parallel, and the cyclic current is eliminated with additional PWM control. Each base unit is...
1. How the current of the transformer is loaded?
1) Accurate load current equilibrium of parallel basic units is controlled by additional PWM correction. Several units with synchronous PWM are run in parallel, and the cyclic current is eliminated with additional PWM control. Each base unit is isolated using electrical load. Each basic unit has its own controller that provides power to the load through insulated windings.
2) PWM is a standalone, asynchronous, free-running signal, and each basic unit has its own separate DC link. On the side of the power grid, each basic unit has its own sinusoidal LC filter. If the output is also electrically isolated, there is no cyclic current between different DC links.
3) This is the easiest way to connect standard independent basic units with standard independent controllers in parallel. A simple design based on the electrical isolation of the generator side is shown. Three parallel independent 4 quadrant drives with discrete motor windings. The drive can run in parallel with one or two drives.
2. BOBBIN SHAPE:
PQ TYPE BOBBIN
(1) PIN NO. : 7:7P
(2) PIN PITCH: 5.0
(3) ROW PITCH: 35.0
(4) PIN DIAMETER: φ1.0
All ferrite cores and phenolic bobbins will be 100% tested for balancing after assemble but before packing and shipment.
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Payment condition : 30% deposit in advance , 70% balance before delivery
Delivery time :10- 35 days after deposit
Shiping : By sea , by air
Packing :THEL carton packing, Neutral packing, customized packing