H20-681-ENU試験無料問題集（195題）「Huawei Certified Field Specialist -Smart PV Controller 認定」

出題：1

When the Huawei SUN2000 inverter is alarmed and cannot be connected to the network, the alarm ID is 301-31. Which of the following measures can be taken to troubleshoot or try to solve?

A. Check the relative insulation resistance of AC E and repair it.

B. Check the relative insulation resistance of AC A and repair it.

C. Check DC insulation resistance and repair it.

D. Check the relative insulation resistance of AC C and repair it.

正解：B 解答を投票する

出題：2

The inverter deleted by the NetEco1000S system is automatically restored again, and you can try to delete it several times.

A. True

B. False

正解：B 解答を投票する

出題：3

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

正解：A 解答を投票する

出題：4

What are the aspects of the EH control process? (Multiple Choice)

A. Acceptance criteria

B. Inspection

C. Corrective prevention

D. Behavioral supervision

正解：A,B,C 解答を投票する

出題：5

When the SUN2000 inverter has an alarm, the alarm ID is 400-21 (system failure - grid relay failure), which of the following troubleshooting suggestions are correct? (Multiple choice)

A. Check if the AC line has insufficient insulation to the ground.

B. Try to upgrade the software to solve

C. Disconnect DC input switch, AC output switch, close after 5 minutes

D. If the above method still cannot be restored, replace the whole machine.

正解：A,B,C,D 解答を投票する

出題：6

In the NetEco1000S system, when the active power curve of the inverter shows a breakpoint, which of the following statement is correct? (Multiple Choice)

A. Inverter's communication address setting is incorrect

B. It can be solved by manually replenishing the inverter data.

C. It may be caused by poor contact between the inverter and the communication line connected to the data acquisition.

D. May be caused by the instability of the network used by the customer

正解：B,C,D 解答を投票する

出題：7

When the SUN2000 inverter has an alarm and the alarm ID is 121-1 (group reverse), the inverter DC switch should be disconnected immediately according to the safety operation specification.

A. True

B. False

正解：B 解答を投票する

出題：8

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. SUN2000 inverter software needs to be updated regularly

C. Will not affect power generation during the update process

D. SUN2000 inverter software has no requirements for the scene and can be used universally.

正解：A 解答を投票する

出題：9

Multimode fiber is generally used for long distance (10-20KM) transmission.

A. True

B. False

正解：B 解答を投票する

出題：10

When the Huawei PID module is used in the SUN2000 scenario, it supports two compensation modes: PV/PE and N/PE.

A. True

B. False

正解：B 解答を投票する

H20-681-ENU試験無料問題集「Huawei Certified Field Specialist -Smart PV Controller 認定」