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10
Application and description for ambient equipments
Power supply:
●Make sure voltage class is correct, otherwise inverter may be damaged.
●A no fuse breaker (air circuit breaker) shall be provided between AC
supply and inverter.
No fuse Breaker:
●Circuit breaker which complies with rated voltage and current of inverter
shall be applied as ON/OFF control for inverter. And it shall also be
protective to the inverter.
●Never use circuit breaker as ON/OFF switch for inverter.
Leakage Breaker:
●A leakage breaker shall be installed to prevent mal-functioning and to
ensure the safety of operators; to prevent the mal-functions, those of which
the sensitivity current above 220mA and action time above 0.1 sec shall be
applied.
Magnetic Contactor:
●Inverters can be used without a magnetic contactor (MC) installed at the
power supply side. However, when used for external control or
automatically restart after power off, or when braking control is used, a
magnetic contactor shall be applied.
●Does not use the magnetic contactor as RUN/STOP switch for inverter.
Power Improving AC Electric Reactor:
●If power supply of large capacity (Above 600k VA) is used, an AC reactor
can be added to inverters which is below 220/440V 15Kw, thus the power of
power supply shall be improved.
Input side Noise Filter:
●The Input side Noise Filter must be applied if inverter has electronic
induction load around.
S200 Inverter:
●Input Power supply terminals R/L1, S/L2 and T/L3 can be connected
without phase sequence.
●Connect output terminals U/T1, V/T2 and W/T3 to U/T1, V/T2 and W/T3 of
motors, if the inverter is forward run reference, while motor reverse runs,
change any two of U/T1, V/T2 or W/T3.
●Never connect U, V, W to AC Power supply otherwise inverter may be
damaged.
●Grounding terminals shall be grounded correctly. Category
Ⅲ
Grounding:
below 100Ω,Special grounding: below 10Ω.
Zero Phase Noise Filter:
●If specialized noise filters are fit at inverter output side, radiation
interference and induction noise shall be decreased.
Input side Noise Filter
Inverter
No fuse Breaker
Power supply
Magnetic Contactor
Power Improving AC
Electric Reactor
Three Phase
Squirrel Cage
Motor
Grounding
Zero Phase Noise Filter