Rectifiers & D.C. Power Supply Systems
Complete systems of operating direct current CSO d.c.
Application
– converting the alternating voltage into stabilized constant voltage;
– distribution of the d.c. electric power among Customers;
– alternating voltage – direct voltage isolation;
– charging, additional charging of storage batteries (SB) and parallel operation from storage battery (SB) supply to the load supply;
– protection and signaling under various emergency conditions.
Used in
For uninterruptible supply of control, protection, automatic and signaling operating circuits, for electromagnets of switching devices, for emergency lighting of power plants, substations and other electric installations of national economy.
Component parts of system
1. D.C. cabinet:
– charging device 2 pcs;
– 380V supply terminal, each for its own charging device 2 pcs;
– output circuit breakers for distribution of d.c. power among the Customers 6 ÷ 12 шт;
2. Storage battery cabinet:
– storage batteries;
– group of fuses;
– reinforced racks with acid – resistant coating.
Main specifications
Parameter name | Value |
---|---|
Rated input 50 Hz three – phase voltage, V | 380 |
Rated output current, A | 25, 40, 60, 80, 160 |
Rated output voltage, V | 110, 220 |
Number of outgoing feeders | 6 ÷ 12* |
Capacity and type of storage batteries | * |
Protection degree | IP20 ÷ IP54* |
Insulation control | available |
Temperature compensation | available |
Parallel operation of charging devices | possible |
Additional charging operating duty | possible |
Accelerated additional charging | possible |
*to be agreed upon with the Customer.
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