Delta C200 Series User Manual page 48

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Correct wiring:
Application 2
Silicon rectifier and AC motor drive are connected to the same power.
Problem: Switching spikes will be generated when the silicon rectifier switches ON/OFF.
These spikes may damage the mains circuit.
Correct wiring:
Application 3
When the power supply capacity exceeds 10 times of the inverter capacity.
Problem: When the mains power capacity is too large, line impedance will be small and the
charge current will be too high. This may damage AC motor drive due to higher
rectifier temperature.
Correct wiring
DC Reactor
460V DC Choke
Input Voltage
460Vac 50/60Hz
3-Phase
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reactor
M1
M2
Mn
power
reactor
reactor
large-capacity
power
reactor
kW
4
5.5
7.5
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Chapter 7 Optional Accessories|C200 Series
AC motor drive
AC motor drive
AC motor drive
silicon rectifier
AC motor drive
small-capacity
AC motor drive
HP DC Amps
5.5 23
7.5 25
10 30
7-7
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motor
motor
motor
DC
motor
motor
Inductance (mh)
2.7
2.47
2.1
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