Inverter test apparatus
View Patent ↗There is provided an inverter test apparatus for testing an inverter interconnected with an alternating-current power system, the apparatus including an alternating-current power output unit configured to output alternating-current power, and an alternating-current power controller configured to control the alternating-current power output from the alternating-current power output unit to simulate an alternating-current load of the inverter.
1. An inverter test apparatus for use in testing an inverter interconnected with an alternating-current power system, the apparatus comprising:
a load simulation inverter configured to output alternating-current power; and
an alternating-current power controller configured to control the alternating-current power output from the load simulation inverter to simulate an alternating-current load of the inverter including performing control to simulate at least one of inductance, capacitance, or resistance, wherein the alternating-current power controller controls the alternating-current power output from the load simulation inverter independent of an output from the inverter.
2. The inverter test apparatus according to claim 1 ,
wherein the alternating-current power controller is configured to perform control to simulate a reactor that resonates with a capacitor provided as an alternating-current load.
3. The inverter test apparatus according to claim 1 ,
wherein the alternating-current power controller is configured to perform control to simulate a capacitor that resonates with a reactor provided as an alternating-current load.
4. The inverter test apparatus according to claim 1 ,
wherein the alternating-current power controller is configured to perform control to simulate resistance as the alternating-current load.
5. An inverter test apparatus for use in testing an inverter interconnected with an alternating-current power system, the apparatus comprising:
a first alternating-current power output unit configured to output alternating-current power;
a first alternating-current power controller configured to control the alternating-current power output from the first alternating-current power output unit to simulate a reactor as an alternating-current load of the inverter;
a second alternating-current output unit configured to output alternating-current power;
a second alternating-current power controller configured to control the alternating-current power output from the second alternating-current power output unit to simulate a capacitor that resonates with the reactor simulated by the first alternating-current power controller;
a third alternating-current power output unit configured to output alternating-current power; and
a third alternating-current power controller configured to control the alternating-current power output from the third alternating-current power output unit to simulate resistance as the alternating-current load.
6. An inverter test circuit configured to test an inverter interconnected with an alternating-current power system, the circuit comprising:
a first circuit breaker configured to disconnect the inverter from the inverter test circuit;
a second circuit breaker configured to disconnect the alternating-current power system from the inverter test circuit;
a load simulation inverter configured to output alternating-current power; and
an alternating-current power controller configured to control the alternating-current power output from the load simulation inverter to simulate an alternating-current load of the inverter including performing control to simulate at least one of inductance, capacitance, or resistance, wherein the alternating-current power controller controls the alternating-current power output from the load simulation inverter independent of an output from the inverter.
7. The inverter test circuit according to claim 6 , further comprising a capacitor provided as an alternating-current load, wherein the alternating-current power controller is configured to perform control to simulate a reactor that resonates with the capacitor.
8. The inverter test circuit according to claim 6 , further comprising a reactor provided as an alternating-current load, wherein the alternating-current power controller is configured to perform control to simulate a capacitor that resonates with the reactor.
9. The inverter test circuit according to claim 6 , further comprising:
a reactor provided as an alternating-current load; and
a capacitor provided as an alternating-current load,
wherein the alternating-current power controller is configured to perform control to simulate resistance.
10. An inverter test circuit configured to test an inverter interconnected with an alternating-current power system, the circuit comprising:
a first circuit breaker configured to disconnect the inverter from the inverter test circuit;
a second circuit breaker configured to disconnect the alternating-current power system from the inverter test circuit;
a first alternating-current power output unit configured to output alternating-current power;
a first alternating-current power controller configured to control the alternating-current power output from the first alternating-current power output unit to simulate a reactor as an alternating-current load of the inverter;
a second alternating-current power output unit configured to output alternating-current power;
a second alternating-current power controller configured to control the alternating-current power output from the second alternating-current power output unit to simulate a capacitor that resonates with the reactor simulated by the first alternating-current power controller;
a third alternating-current power output unit configured to output alternating-current power; and
a third alternating-current power controller configured to control the alternating-current power output from the third alternating-current power output unit to simulate resistance as the alternating-current load.