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TDK-Lambda
EZA11K series
Quick Manual / Practical(I)
12) Power consumption of EZA
The EZA11K consumes a certain amount of power even when it is not charging or
discharging.
・
Power consumption of control board
When the voltage above 120V and below the upper limit of the specifications is applied to
the high voltage side or low voltage side of the EZA11K, the internal auxiliary power supply
is activated, the control board (CPU, communication function) is activated. And the
communication of via RS-485 and CN is possible. In this state, about 7 to 10W of power is
consumed.
This state is called “Waiting” in EZA. For details, refer to page T-14 of EZA11K Evaluation
data.
・
Power consumption after starting main circuit (main converter)
When the main circuit of the EZA11K is started, the power of about 100 to 400W is
consumed even when the output current is 0 A due to the power of the cooling fan and the
operating power of the main circuit.
For details, refer to page T-12 to T-13 of "EZA11K Evaluation data". After the main
converter is stopped, the air cooling fan continues to operate for about 3 minutes for cooling
the internal circuit.
