Khomfoi, Surin

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Khomfoi, Surin
Alternative Name
Khomfoi, S.
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Email
surin.kh@kmitl.ac.th

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    Item type:Publication,
    Active power control technique of a BESS and crate parameter consideration for AC microgrid applications
    (2019-03-01)
    Prompinit, Krisada
    ;
    Khomfoi, Surin
    ;
    Pairindra, Worapong
    ;
    Manee-In, Chaitouch
    This paper presents the active power control of a BESS to reduce the PV power fluctuation problem by using the ramp rate control technique, including the C-rate parameter for the AC microgrid system applications, by simulating and designing the battery management system (BMS). The suitable power of BESS power rating can be estimated from the power ramp rate (PRR) of the PV power generation system. Based on the simulated results, it is found that high electrical discharge caused the temperature inside the battery to rise higher than that of low-voltage discharge, and with the simulation results from Real Battery Management System Program, the software can control the charging and discharging of BESS's active power and display real-time results via the display screen.
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    Battery management system for microgrid applications
    (2018-07-02)
    Prompinit, Krisada
    ;
    Khomfoi, Surin
    This paper describes the operation and control methodology for a Battery Energy Storage System (BESS) designed to mitigate the negative impacts of lithium-ion energy storage. The Battery Monitoring System (BMS) provides real time status data of the battery's parameters such as current voltage and temperature in order to prevent energy storage deterioration.The data will be sent through CAN-bus that allows microcontrollers and other devices to communicate with each other in applications without a host computer. Including, energy provision.
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    Item type:Publication,
    A battery energy storage system control technique with ramp rate and C-rate parameter consideration for AC microgrid applications
    (2018-01-01)
    Prompinit, Krisada
    ;
    Khomfoi, Surin
    Active power control of a battery energy storage system (BESS) in an ac microgrid to solve an impact of increasing of renewable energy resources (RES) is presented. The variability of active power from these renewable energy resources affects the reliability of the power grid. A BESS is used to connect with an ac microgrid consisting of RES such solar cells to manage the rapid change in flow of active power, so the output active power from RES is regulated within the standard for connecting to the Thailand grid-connected code. Ramp rate effects and characteristics of a battery used in a BESS are considered in proposed control strategy to control the flow of active power. The micro energy management system (μEMS) for calculating the appropriate active power slope is also developed. Therefore, the frequency deviation in the microgrid is regulated by using a proposed both control technique and μEMS. The control of this method ensures that the frequency stability is within the standard range of ±1 Hz in a 50 Hz system. Simulation and experimental results of the proposed method are good agreement, and the active power of the BESS in an ac microgrid can be satisfactorily controlled.
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    Item type:Publication,
    Design of active power controller of a BESS in AC microgrids
    (2015-08-17)
    Prompinit, Krisada
    ;
    Khomfoi, Surin
    Active power control of a battery energy storage system (BESS) in ac microgrids is presented in this paper. PI controller design is also proposed. The simulation model using PSIM 9.0 is used to validate the designed controller. Actual data collected from data acquisition system in ac microgrids is used to validate the designed controller including photovoltaic (PV) generation profile, wind generation profile and demand load profile. All actual profiles are recorded from a real microgrid application. A BESS controller is validated into two scenarios. First, a BESS operates with PV generation and demand load. Second, a BESS operates with PV generation, wind generation and demand load. The simulation results suggest that the designed PI controller can perform active power compensation in the ac microgrid satisfactorily.