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Huawei H20-681 問題練習

Huawei Certified Field Specialist Smart PV Controller 試験

最新更新時間: 2021/01/07,合計20問。

2021新年のギフト:H20-681 最新真題を買う時、日本語版と英語版両方を同時に獲得できます。

実際の問題集を練習し、試験のポイントを了解し、テストに申し込むするかどうかを決めることができます。

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Question No : 1
In the Smartlogger WebUI interface, when the “Active Power Control” parameter is configured as “Enable”, the Smartlogger can perform active power control on the managed inverter.

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Question No : 2
The default value of the RS485 communication address of the Huawei PID module is 1. To modify the RS485 communication address, you can modify it by logging in to the SmartLogger's WEBUI interface.

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Question No : 3
The incoming and outgoing line mode of Huawei's intelligent sub-array controller SmartACU2000B adopts up-out and down-in.

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Question No : 4
EHS includes environmental, occupational health and safety. Among them, occupational safety is the most important. Personnel behavior can neglect the impact on the environment and occupational health under the premise of ensuring safety.

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Question No : 5
Huawei SUN2000 inverter power factor can be adjusted to ().

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Question No : 6
Which of the following inverter parameters can be modified by the advanced user login Huawei SUN2000 APP?

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Question No : 7
When the Huawei PID module is applied to the SUN2000 scenario, which of the following description is correct? (Multiple Choice)

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Question No : 8
When the Huawei SUN2000 inverter is alarmed and cannot be connected to the network, the alarm ID is 313-1 (low insulation resistance). Which of the following measures can be taken to troubleshoot or try to solve? (Multiple Choice)

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Question No : 9
Huawei SUN2000 inverter recommended the bottom installation space requirements are:

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Question No : 10
Huawei's SUN2000 inverter communicates by PLC mode when the baud rate defaults to ().

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Question No : 11
The Huawei PID module adjusts the photovoltaic panel PV+ or PV- voltage to earth by injecting voltage between N line and ground line of the isolation transformer, to realize the inhibition of photovoltaic panel PID effect.

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Question No : 12
Which of the following design is not suitable for a mountain photovoltaic power station system?

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Question No : 13
During the operation of Huawei SUN2000L household inverter, the inverter “DC SWITCH” can be directly set to “OFF” for shutdown operation.

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Question No : 14
When installing the AC line of the Huawei SUN2000 inverter, it is recommended that the stripping length of the insulation layer be 2mm~3mm longer than the crimping area of the OT terminal sub cable for convenient wiring. After pressing the terminal, the place of line needs to be covered with a heat shrinkable T bush or insulating rubber tape.

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Question No : 15
When the debugging of the Huawei PLC communication network is started, which of the operation description of setting the anti-crosstalk is correct? (Multiple Choice)

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