Huawei H20-681-ENU HCS-Field-Smart PV Controller (Huawei Certified Field Specialist Smart PV Controller) Online Training
Huawei H20-681-ENU Online Training
The questions for H20-681-ENU were last updated at Nov 19,2024.
- Exam Code: H20-681-ENU
- Exam Name: HCS-Field-Smart PV Controller (Huawei Certified Field Specialist Smart PV Controller)
- Certification Provider: Huawei
- Latest update: Nov 19,2024
The NetEco1000S is an equipment-level monitoring software for inverters. It is mainly used in SUN2000, SUN8000 and third-party inverters.
- A . True
- B . False
The device that cannot be upgraded by the NetEco1000S system for remote software is ()
- A . SmartLogger 1000
- B . SmartLogger 2000
- C . SUN2000 inverter
- D . Environmental monitor
About the description of SmartLogger1000 and SmartLogger2000, which is incorrect? (Multiple Choice)
- A . You can connect to SmartLogger via Bluetooth using SUN2000APP
- B . The SmartLogger1000 supports up to 80 inverters, and the SmartLogger2000 supports up to 100 inverters.
- C . Both SmartLogger1000 and SmartLogger2000 support PLC communication and optical fiber ring network
- D . Both SmartL1000 and SmartLogger2000 can access third-party devices using the standard Modbus-RTU protocol.
Huawei Smart Array Controller SmartACU2000B is recommended to be larger than () mm from the ground when installing.
- A . 200
- B . 300
- C . 500
- D . 600
About Huawei’s smart photovoltaic solution grounding system design, which of the following is correct? (Multiple Choice)
- A . Grounding flat steel is installed next to the cement column at each end of each bracket, and all grounded flat steel rings are welded back together after being buried in the ground;
- B . Grounding flat steel coated with anti-rust paint, and annual derusting and painting maintenance;
- C . The inverter ground wire is connected to the component bracket, and the bracket is grounded.
- D . The device is reliably grounded nearby
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)
- A . Need to collect the ESN number of each square inverter through the SUN2000 APP and generate a .csv file.
- B . Log in the SmartLogger WEBUI interface and import the produced .csv file into the PLC CCO module.
- C . Log in to the SmartLogger WEBUI interface to enable the PLC CCO module operating parameters anti-crosstalk.
- D . Log in to the SmartLogger WEBUI interface to check whether the PLC networking is normal. After the normal operation, start the inverter automatic search.
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.
- A . True
- B . False
During the operation of Huawei SUN2000L household inverter, the inverter “DC SWITCH” can be directly set to “OFF” for shutdown operation.
- A . True
- B . False
Which of the following design is not suitable for a mountain photovoltaic power station system?
- A . Subarray capacity adaptation terrain design
- B . Component spacing design is tailored to local conditions, reducing occlusion
- C . Keep the equipment away from the transformer box and use the mountain road for maintenance.
- D . Design using height adjustable bracket
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.
- A . True
- B . False
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