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Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. In the scenario of the eLTE wireless transmission network, the SmartLogger and the POE power adapter are connected through a network cable. The network cable should be connected to the data port of the POE power adapter.

A) True
B) False

2. The following are island hazards (). (Multiple Choice)

A) When the voltage phase is not synchronized when the power is restored, it will generate a surge current, which may cause another trip or damage to the PV system, load and power supply system.
B) Affect the protection switch action program on the power distribution system
C) The unstable nature of the supply voltage and frequency that occurs in the isolated island area can cause damage to the electrical equipment.
D) Endangering the safety of electric maintenance personnel

3. When Huawei SmartLogger accesses third-party devices, it supports up to _____ devices with different communication point tables.

A) 5
B) 3
C) 6
D) 8

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

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

5. During the upgrade of the SUN2000 inverter software, disconnecting the DC input switch of the inverter may cause the inverter to fail to upgrade. When the inverter DC switch is closed again, the "software version mismatch" alarm may occur and the grid cannot be generated. Need to be re-upgraded to resolve.

A) True
B) False

Solutions: