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3.3
Solution Flow Rate Control
The reduction of the solution flow rate by the speed control of solution pump ensures an efficient
and stable operation in cooling operation at partial load.
Since the pressure of the high pressure generator reduces due to the reduction of the fuel
consumption in partial load, the solution level in the high pressure generator tends to rise up.
Detecting the solution level with the electrode, the speed of solution pump is controlled to keep the
correct level.
Solution level in high
Pressure generator
Electrode column
In high pressure generator
Solution pump
Level too high
Level high
Proper level
Level low
Level too low
inside
inverter
INV1
(Inverter)
M1
Fig.3.2 Solution Flow Rate Control System Chart
Solution pump stop
Speed of solution pump Ⅰdecrease
Speed of solution pump Ⅰunchanged
Speed of solution pump ⅠIncrease
Combustion stop
(Prevention of void combustion)
LC-01
(Level controller)
Motor revolution
Control
18
Inside control panel
DM
Main gas valve
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