Smart Design of Distribution Series Capacitor Bank Application for Improved Voltage Quality and Motor Start

Mokred, Salah; Qin, Lijun; Kamara, Gibrilla

doi:10.1109/icpsasia48933.2020.9208381

Cited by 4 publications

(2 citation statements)

References 10 publications

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“…Voltage instability can also occur when there is Mokred et al Protection and Control of Modern Power Systems (2023) 8:7 an imbalance between the supply and demand for reactive power. The series compensation technique is more effective than shunt compensation in preventing voltage instability under various power factors when both active and reactive power are extremely close to threshold levels in the system [54][55][56][57].…”

Section: Introductionmentioning

confidence: 99%

A novel collapse prediction index for voltage stability analysis and contingency ranking in power systems

Mokred

Wang

Chen

2023

Prot Control Mod Power Syst

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Voltage instability is a serious phenomenon that can occur in a power system because of critical or stressed conditions. To prevent voltage collapse caused by such instability, accurate voltage collapse prediction is necessary for power system planning and operation. This paper proposes a novel collapse prediction index (NCPI) to assess the voltage stability conditions of the power system and the critical conditions of lines. The effectiveness and applicability of the proposed index are investigated on the IEEE 30-bus and IEEE 118-bus systems and compared with the well-known existing indices (Lmn, FVSI, LQP, NLSI, and VSLI) under several power system operations to validate its practicability and versatility. The study also presents the sensitivity assumptions of existing indices and analyzes their impact on voltage collapse prediction. The application results under intensive case studies prove that the proposed index NCPI adapts to several operating power conditions. The results show the superiority of the proposed index in accurately estimating the maximum load-ability and predicting the critical lines, weak buses, and weak areas in medium and large networks during various power load operations and contingencies. A line interruption or generation unit outage in a power system can also lead to voltage collapse, and this is a contingency in the power system. Line and generation unit outage contingencies are examined to identify the lines and generators that significantly impact system stability in the event of an outage. The contingencies are also ranked to identify the most severe outages that significantly cause voltage collapse because of the outage of line or generator.

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Section: Introductionmentioning

confidence: 99%

A novel collapse prediction index for voltage stability analysis and contingency ranking in power systems

Mokred

Wang

Chen

2023

Prot Control Mod Power Syst

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“…These electrical loads consume energy fluctuate [2]. At first, turned on, these loads will consume a large amount of electrical energy that can reach twice the energy when it usually operates [3]. As a result of this condition, a building installed with many electrical loads with inductive load properties must allocate electrical energy far greater than the average electrical energy requirement.…”

Section: Introductionmentioning

confidence: 99%

Implementation of Ladder Diagram on Schneider PLC for Prevention of Simultaneous Starting Electrical Loads

Sutaya¹,

Pracasitaram²

2023

Proceedings of the 5th International Conference on Vocational Education and Technology, IConVET 2022, 6 October 2022, Singaraja

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This paper describes the research results in a PLC application system with a ladder diagram design and its implementation using a Schneider PLC to prevent electrical loads in a building from starting simultaneously. This paper discusses the problems that exist in the industry and proposes a solution technique using PLC. The problem is that more and more electrical loads containing electric motors use ON and OFF automation to control the motors to save electrical energy consumption. But the electric motor is an inductive load that consumes much electrical energy in the starting process. If the starting process coincides with other electrical loads, it will cause the energy supply through the electrical panel becomes unstable. To deal with this real problem in the industry, a PLCbased electronic device management system was developed in the research. The ladder diagram of the made PLC system is presented in this paper. From system testing and data taken during research in the laboratory, the system created in this study has successfully prevented the electrical loads from starting simultaneously. This can be proven from the application of the system where the three electrical loads that use the Air Conditioner (AC), which contains a motor, are not started simultaneously.

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Modern voltage stability index for prediction of voltage collapse and estimation of maximum load-ability for weak buses and critical lines identification

Mokred¹,

Wang²,

Chen³

2023

International Journal of Electrical Power & Energy Systems

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Smart Design of Distribution Series Capacitor Bank Application for Improved Voltage Quality and Motor Start

Cited by 4 publications

References 10 publications

A novel collapse prediction index for voltage stability analysis and contingency ranking in power systems

A novel collapse prediction index for voltage stability analysis and contingency ranking in power systems

Implementation of Ladder Diagram on Schneider PLC for Prevention of Simultaneous Starting Electrical Loads

Modern voltage stability index for prediction of voltage collapse and estimation of maximum load-ability for weak buses and critical lines identification

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