Lewei Zhu
YOU?
Author Swipe
View article: An Operating Cost Calculation Method for Integrated Energy Systems Considering Components Failures
An Operating Cost Calculation Method for Integrated Energy Systems Considering Components Failures Open
As the energy problem becomes more and more serious, the integrated energy system (IES) becomes a hot research direction in the energy field. Existing studies have not considered the impact of component failures on the operating costs of I…
View article: Effect of radical scavenger on electrical tree in cross‐linked polyethylene with large harmonic superimposed DC voltage
Effect of radical scavenger on electrical tree in cross‐linked polyethylene with large harmonic superimposed DC voltage Open
In this study, three kinds of radical scavenger Chimassorb 944, Tinuvin 622, and Tinuvin 770 are used to suppress the growth of electrical trees in cross‐linked polyethylene (XLPE) with transient superimposed voltage under the temperature …
View article: Effects of Temperature Gradient on Electrical Tree Initiation and Breakdown Phenomenon in XLPE Under Harmonic Superimposed DC Voltage
Effects of Temperature Gradient on Electrical Tree Initiation and Breakdown Phenomenon in XLPE Under Harmonic Superimposed DC Voltage Open
In this article, the temperature of the needle tip and the ground electrode were changed to obtain different temperature gradients. The harmonic superimposed DC voltage was also simultaneously applied to study the electrical tree initiatio…
View article: The Impact-increment State Enumeration Method Based Resilience Assessment Approach of Power System Under Windstorms
The Impact-increment State Enumeration Method Based Resilience Assessment Approach of Power System Under Windstorms Open
Overhead transmission line is an important part of power system, it is easy to be affected by natural disasters.In order to enhance the ability of power system to resist those disasters, the resilience assessment indices should be establis…
View article: A Quantitative Resilience Index of Power Systems Under Extreme Ice Disasters
A Quantitative Resilience Index of Power Systems Under Extreme Ice Disasters Open
Extreme ice disasters may lead to a rapid degradation of power system performance.By using a fault probability model of transmission lines with respect to ice-wind loads, the impacts of ice disasters on power systems can be regarded as tra…
View article: A Distribution System Reliability Assessment Approach Considering Multi-Faults by Impact Increment Based Monte Carlo
A Distribution System Reliability Assessment Approach Considering Multi-Faults by Impact Increment Based Monte Carlo Open
The reliability evaluation of distribution network is an important part of power system.In the extreme situation caused by aging or weather, the multi-fault affect the distribution network reliability.There are only few reliability assessm…
View article: An Incremental-Variable-Based State Enumeration Method for Power System Operational Risk Assessment Considering Safety Margin
An Incremental-Variable-Based State Enumeration Method for Power System Operational Risk Assessment Considering Safety Margin Open
This paper proposes an incremental-variable-based state enumeration method (IVSE) for power system operation risk assessment and develops the risk indices considering the safety margin. Firstly, the traditional risk indices are modified to…
View article: Polycyclic Compounds Affecting Electrical Tree Growth in Polypropylene Under Ambient Temperature
Polycyclic Compounds Affecting Electrical Tree Growth in Polypropylene Under Ambient Temperature Open
Polypropylene (PP) has great potential to be used as recyclable high-voltage direct current (HVDC) cable insulation material. Electrical tree is the key factor that leads to cable insulation failure and limits the increase of HVDC transmis…
View article: Effect of Polycyclic Compounds Fillers on Electrical Treeing Characteristics in XLPE with DC-Impulse Voltage
Effect of Polycyclic Compounds Fillers on Electrical Treeing Characteristics in XLPE with DC-Impulse Voltage Open
Electrical tree is an important factor in the threat of the safety of cross-linked polyethylene (XLPE) insulation, eventually leading to the electrical failure of cables. Polycyclic compounds have the potential to suppress electrical treei…
View article: Reliability modeling for Integrated Community Energy System considering dynamic process of thermal loads
Reliability modeling for Integrated Community Energy System considering dynamic process of thermal loads Open
The Integrated Community Energy System (ICES) has developed rapidly, but the reliability assessment models of ICES are somehow out of date. A new reliability assessment model for ICES is proposed incorporating electricity, gas and heat, co…
View article: Decoupled Optimization of Integrated Energy System Considering CHP Plant Based on Energy Hub Model
Decoupled Optimization of Integrated Energy System Considering CHP Plant Based on Energy Hub Model Open
By optimally interacting electricity, natural gas, heat, cooling and fuels systems, the integrated energy system (IES) represents a significant opportunity to increase technical, economic and environmental performance compared with classic…