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Huawei H20-681-ENU Exam Syllabus Topics:

Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

Question 1

When the alarm ID of Huawei SmartLogger is 1105 (address conflict), it should be checked (). (Multiple Choice)

A. Check if there is a conflict between the addresses of the southbound devices connected to the SmartLogger.
B. Check if there is a conflict between the RS485 address of the SmartLogger and the logical address of the accessed southbound device.
C. Check if there is a conflict between the RS485 address of the SmartLogger and the physical address of the accessed southbound device.
D. Check if there is a conflict between the IP address of the SmartLogger and other SmartLogger IP addresses.

Question 2

Huawei SUN2000L user inverter full load operating temperature range is ____.

A. -25 degree Centigrade ~+60 degree Centigrade
B. -25 degree Centigrade ~+45 degree Centigrade
C. -30 degree Centigrade ~+60 degree Centigrade
D. -30 degree Centigrade ~+45 degree Centigrade

Question 3

Which of the following option does not belong to the scope of management of EHS for pollutants in the project?

A. Air pollution
B. Chemical dangerous goods
C. Water pollution
D. Noise

Question 4

When RS485 communication is set up, Smartlogger manages multiple inverters through one RS485 communication link, and one of the inverters is disconnected from SmartLogger. The possible reasons are (). (Multiple Choice)

A. The inverter is not powered
B. RS485 line interruption
C. Inverter hardware failure
D. Inverter communication parameter setting error

Question 5

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

A. The unstable nature of the supply voltage and frequency that occurs in the isolated island area can cause damage to the electrical equipment.
B. 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.
C. Affect the protection switch action program on the power distribution system
D. Endangering the safety of electric maintenance personnel

Solutions: