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| Section | Weight | Objectives |
|---|---|---|
| Smart PV Industry and Market Overview | 15% | - Global PV Industry Trends
|
| Sales and Solution Design | 25% | - Customer Requirement Analysis
|
| Huawei Smart PV Products | 25% | - Energy Storage Systems
|
| Huawei Smart PV Solutions | 35% | - Utility Smart PV Solutions
|
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NEW QUESTION # 93
What technologies does Huawei use to ensure on rooftop and under rooftop security?
Answer: A,B,C
Explanation:
Rooftop security is mainly about reducing high-voltage DC risk and fire risk in the PV array. Rapid shutdown at the component level helps bring the rooftop PV side to a safer voltage state during emergencies, maintenance, or power outages. AFCI helps detect DC arc faults and shut down the system quickly before an arc can develop into a fire hazard. Under- rooftop security refers to household or building energy storage safety, where Huawei promotes multi-layer ESS safety protection from cells through packs, racks, system, and grid level. Huawei Smart Module Controller materials describe rapid shutdown for personnel and firefighting safety, Huawei AFCI materials confirm intelligent arc detection, and Huawei ESS materials describe five- layer integrated safety design. Because each option addresses a different safety layer, all three are correct.
NEW QUESTION # 94
Huawei rack-level/pack-level optimization design, which mainly solves the problem below:
Answer: B
Explanation:
In large ESS deployments, battery packs and racks do not behave identically over time. Their SOC, SOH, temperature, internal resistance, and aging rates differ, and these inconsistencies reduce usable capacity and may force the whole system to follow the weakest pack or rack.
Huawei's Smart String ESS design uses pack-level optimization, rack-level management, and refined electronic control to reduce the negative effect of these inconsistencies. The purpose is not primarily to slow every cell's chemical degradation, increase physical energy density, or expand the nominal rack capacity. Those may be indirect commercial benefits, but the technical design principle is mismatch mitigation and refined energy management. Huawei describes pack- level optimization, rack-level management, and safety design as controlling lithium-battery inconsistency and uncertainty, improving available capacity and safety.
NEW QUESTION # 95
The DC fault of the PV system is the biggest security risk of the power station. Huawei uses () to proactively shut down the DC system to prevent the fault from spreading.
Answer: C
Explanation:
The exact extract asks which Huawei technology proactively shuts down the DC system to prevent a PV DC-side fault from spreading. The correct answer is D. Smart string disconnection. Fire suppression is a reactive measure after a fire starts, not the proactive DC-side electrical isolation mechanism. Smart terminal temperature monitoring may help identify abnormal heat, but it is not the technology that shuts down faulty PV strings. MPPT insulation monitoring can detect insulation abnormalities, but the named Huawei active shutdown technology is Smart String-Level Disconnection, or SSLD. Huawei describes SSLD as identifying DC-side faults such as reverse polarity, backflow current, and short circuits, then implementing automatic string-level shutdown on a millisecond basis. This prevents fault expansion and improves active safety at PV plants. Therefore, the extract points directly to smart string disconnection. Reference: Huawei SSLD and utility Smart PV safety documents.
NEW QUESTION # 96
What is not the function of the optimizer?
Answer: D
Explanation:
The exact extract asks: "What is not the function of the optimizer?" The correct answer is AFCI because AFCI, or arc-fault circuit interrupter protection, is primarily an inverter/system-level active safety function, not the core function of the optimizer itself. Huawei's Smart Module Controller/optimizer functions focus on improving energy yield, allowing each solar panel to operate independently, supporting flexible rooftop layout, enabling module-level optimization, and supporting rapid shutdown for personnel and firefighting safety. Huawei C&I material also describes the optimizer as linking the inverter to increase energy yield and supporting module-level management. AFCI is mentioned in Huawei safety documents as a PV safety technology used to detect or mitigate arc risks, but it is not the optimizer's direct functional role in the same way as module-level management, higher yield, or RSD support. Reference: Huawei Smart Module Controller and C&I Smart PV safety/solution documents.
NEW QUESTION # 97
A customer asks why Huawei's optimizer-based system is preferable to a plain string inverter system on a roof with a chimney casting partial shade on two panels. What is the best sales explanation?
Answer: D
Explanation:
Without optimizers, a series string's current is limited by its weakest (most-shaded) module, dragging down the whole string's output. With module-level optimizers, the shaded modules operate independently, minimizing the shading's impact on the unshaded modules' production.
The optimizer doesn't physically remove the shadow (A), is broadly useful beyond battery systems (C), and shading absolutely affects unoptimized strings (D is false).
NEW QUESTION # 98
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