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Huawei H20-681-ENU Exam Syllabus Topics:

Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. Regarding the SUN2000 inverter software update, which of the following statement is correct?

A) Can be remotely updated via SUN2000 APP Proximity or Smartlogger
B) Will not affect power generation during the update process
C) SUN2000 inverter software needs to be updated regularly
D) SUN2000 inverter software has no requirements for the scene and can be used universally.

2. In the photovoltaic engineering project, the handling, storage, installation and commissioning process of Huawei inverters must be carried out in strict accordance with the specifications to avoid equipment damage or personnel damage. The following statement which is correct? (Multiple choice)

A) The project storage and installation of the inverter must ensure the surrounding environment is safe and away from the surrounding flammable and explosive environment.
B) After the inverter is turned off, there is still residual power and residual heat in the chassis, which may cause electric shock or burns. Therefore, please operate the inverter after the inverter is turned off for 5 minutes.
C) During the process of transporting or storing the inverter on site, the power cable interface and signal cable interface at the bottom of the inverter cannot be loaded. Do not directly connect the terminal to the ground. The inverter must be placed horizontally.
D) To prevent dust from entering the human respiratory tract or falling into the eye during the installation of the inverter, the operator should wear protective glasses and dust masks.

3. The output voltage of the photovoltaic inverter is an alternating voltage.

A) True
B) False

4. Huawei SUN2000 inverter recommended the bottom installation space requirements are:

A) 730mm ≤ Distance From Bottom ≤ 900mm
B) 600mm ≤ Distance From Bottom ≤ 900mm
C) 600mm ≤ Distance From Bottom ≤ 730mm
D) 600mm ≤ Distance From Bottom ≤ 800mm

5. Regarding the input current detection circuit of Huawei SUN2000 inverter, which of the following statement is correct?

A) The input current detection circuit is inaccurate to a single string according to the MPPT detection.
B) Inverter input positive and negative poles cause the input current detection circuit to be damaged, and the inverter will be irreparable.
C) After the DC switch is closed, the input current detection circuit starts to work.
D) Monitor the input current of each string, and alarm when the string is working abnormally.

Solutions: