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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. In the eLTE wireless transmission system, the RF1/RF2 indicator of the CPE module flashes at a frequency of 3HZ means?

A) The air interface signal weak intensity
B) The air interface signal strong intensity
C) No air interface signal
D) The air interface signal is extremely weak

2. Huawei SUN2000L household inverter cooling method is _____.

A) Natural heat dissipation
B) Air cooling + natural heat dissipation
C) Air cooling
D) Water cooling

3. Low Voltage Ride Through (LVRT) means that when a power system accident or disturbance causes a voltage drop at the grid connection point of a PV power plant, the PV power plant can ensure continuous operation without off-grid.

A) False
B) True

4. Huawei SUN2000L Household Inverter Alarm ID: 2062 (low insulation resistance), the possible reason is?

A) Inverter protection ground wiring is not reliable
B) Output L short circuit to PE
C) Output N short circuit to PE
D) Photovoltaic string short circuit to PE

5. Huawei SmartLogger Southbound communication supports communication protocol types are () (Multiple choice)

A) DL/T645
B) IEC103
C) Modbus-RTU
D) IEC104

Solutions: