Hang Yang's research works | Huazhong University of Science and Technology (hust) and other places

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Table 2 . The top four sensitivity of each over-load branch on all the...

Figure 3. The structure diagram of the IEEE 24-bus system.

Table 4 . Simulation details of three multi-node systems.

The ultimate load reduction region of each scenario.

A Load-Shedding Model Based on Sensitivity Analysis in on-Line Power System Operation Risk Assessment

Article

Full-text available

Mar 2018

The traditional load-shedding models usually use global optimization to get the load-shedding region, which will cause multiple variables, huge computing scale and other problems. This makes it hard to meet the requirements of timeliness in on-line power system operation risk assessment. In order to solve the problems of the present load-shedding m...

A novel method of decision-making for power transformer maintenance based on failure-probability-analysis: A NOVEL METHOD OF DECISION-MAKING FOR POWER TRANSFORMER MAINTENANCE

Article

Jan 2018

As the key requirement of the power system, the power transformer's running state of security is directly related to the safety and stability of entire power system. Since condition-based maintenance for a power transformer cannot directly determine the best maintenance cycle, from a better engineering application perspective, this paper proposes a...

Table 1 . The electric power price data.

Figure 2. The flow diagram of the short-term maintenance strategy based...

A Novel Short-Term Maintenance Strategy for Power Transmission and Transformation Equipment Based on Risk-Cost-Analysis

Article

Full-text available

Nov 2017

Current studies on preventive condition-based maintenance of power transmission and transformation equipment mainly focus on mid-term or long-term maintenance, and cannot meet the requirements of short-term especially temporary maintenance. In order to solve the defects of the present preventive maintenance strategies, according to the engineering...

A novel routing protocol for pilot protection communication channel reconstruction based on wireless sensor network

Conference Paper

Jul 2016

Natural disasters may wreak havoc on overhead transmission lines and cause communication outage of pilot protection. This paper proposes a communication channel reconstruction method based on wireless sensor network (WSN) modules of monitoring system. To meet the needs of pilot protection's time delay, a novel routing protocol for WSN is proposed b...

Study of the collector-line-current-protection setting in centralized accessed double-fed wind farms

Conference Paper

Jul 2016

Comparing to the traditional generator, wind turbines have special short circuit current traits, which gives rise to many new problems in power system's protection control. Traditional protection methods can't meet the requirement of the safe operation of the power system. This paper firstly analyzes the double feed induction generator. Then for th...