Technical data

UPS MKD 1500 RT

System Description

MKD series

5. System Description

The UPS operates continuously following the double converter principle. It pre-

pares the mains current and provides an uninterrupted and fault-free, single-

phase voltage for the loads critical to operation.

In addition to supplying the loads, the device also keeps the internal accumula-

tors charged. In the event of a mains failure or a mains disturbance, the UPS

continues to supply clean voltage at the UPS output without interruption. The

energy is obtained from the accumulators in support mode.

Online UPS

1 Mains input 8 Voltage converter

2 Filter 9 Control and monitoring

3 Rectifier 10 Operating and display panel

4 Solar inverter 11 Ext. bank of accumulators (optional)

5 Bypass switch 12 Bank of accumulators

6 Filter 13 Interface

7 UPS output 14 LAN RS232

Fig. 5-1 - 1 Block diagram

The schematic diagram illustrates the individual device modules and roughly

shows their interaction.