DZWX automatic control
system for low-voltage units
DZWX
automatic control system for low-voltage units (A.C.
400V, no more than 630kW) is a cost effective and highly
reliable system designed for small hydropower stations
in rural areas. DZWX system can make hydropower stations
in unmanned control operation.
Functions:
1. unit auto-start
2. unit auto-stop
3. emergency stop
4. auto frequency-control
5. auto-synchronization
6. over-voltage protection/li>
7. low-voltage protection
8. over-speed protection
9. low-frequency protection
10. over-current protection
11. over-load protection
12. data acquisition of all the A.C.
parameters
13. high-voltage side of transformer
can be measured by conventional instruments
Characteristics:
1. one control panel for each unit
2. one control panel for each unit
3. PLC-based control
4. no need for auto-governor
5. auto synchronizing
6. simple operating, easy installation
for A.C. 400V units no more than 630kVA
7. the central control computer used
for integrated control, data logging, monitoring
and printing in stations with multi-units, as
well as the integrated management and dispatching
for several stations through telecommunication
