An overview of instrumentation and control systems of a Korea standard nuclear power plant: A signal interface standpoint期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

An overview of instrumentation and control systems of a Korea standard nuclear power plant: A signal interface standpoint

Authors:	Yong Suk Suh Hyun Tai Kang

Affiliation:	^a I&C and HF Research Division, Korea Atomic Energy Research Institute, 150-1 Dukjin-dong, Yuseong-gu, Daejeon, Republic of Korea ^b Nuclear Engineering and Technology Institute, KHNP Co., Ltd., 25-1 Jang-dong, Yuseong-gu, Daejeon, Republic of Korea ^c Department of Computer Science and Engineering, Chungnam Nat’l University, 220 Gung-dong, Yuseong-gu, Daejeon, Republic of Korea

Abstract:	This paper presents an overview of instrumentation and control (I&C) systems of a pressurized water reactor (PWR) type nuclear power plant (NPP) in Korea. Yonggwang unit 3, which was constructed as a basis model for a Korea standard nuclear power plant (KSNP), is selected as an example for the presentation. This overview is derived from analyzing the I&C systems based on a top-down approach. The I&C systems consist of 30 systems. The 183 I&C cabinets are also analyzed and mapped to the systems. The overview is focused on an interface between the systems and the cabinets. This information will be used to understand the implementation of the I&C systems and to group the systems for an upgrade.

Keywords:	1E electrical class 1E ACTM automatic CEDM timing module ALMS acoustic leak monitoring system AMI automatic motion inhibit ARMS area RMS AWP automatic withdrawal prohibit B4C boron carbide BDAS boron dilution alarm system CCS component control system CEA control element assembly CEAC CEA calculator CEDM control element drive mechanism CEDM CS CEDM control system CFMS critical function monitoring system COLSS core operating limit supervisory system CPC core protection calculator CPCS core protection calculation system CPIAS containment purge isolation actuation signal CR computer room CREVAS MCR emergency ventilation actuation signal CS control system CWP CEA withdrawal prohibit D3 diversity and defense-in-depth DBE design bases event DNBR departure from a nucleate boiling ratio DPS diverse protection system DRC dropped rod contact EER electrical equipment room ENFMS ex-core neutron flux monitoring system EOF emergency operation facility ESF engineered safety features ESFAS ESF actuation system FBEVAS fuel building emergency ventilation actuation signal FIDAS fixed in-core detector amplification system FODL fiber optic data link FWCS feedwater control system HL hardwired line ICCMS inadequate core cooling system I& C instrumentation and control IS instrumentation system IVMS internal vibration monitoring system KSNP Korea standard nuclear power plant LEL lower electrical limit LPD local power density LPMS loose parts monitoring system LU local units MCB main control board MCR main control room MS monitoring system N1E electrical non-class 1E NCMS non-safety control and monitoring system NIMS NSSS integrity monitoring system NSSS CS nuclear steam supply system control system PAS plant annunciator system PCS plant computer system PDAS plant data acquisition system PERMS process and effluent RMS PIS process instrumentation system PLC programmable logic controller PLCS PZR level control system PMS plant monitoring system PPCS PZR pressure control system PPS plant protection system PRMS process RMS PS protection system PWR pressurized water reactor PZR pressurizer PZR CS PZR control system RCP reactor coolant pump RCP SSSS RCP shaft speed sensing system RMS radiation monitoring system RPCS reactor power cutback system RPS reactor protection system RRS reactor regulating system RSP remote shutdown panel RSPT reed switch position transmitter RTSS reactor trip switch gear system RU remote unit SBCS steam bypass control system SCMS safety control and monitoring system SG steam generator SMS seismic monitoring system SOE sequence-of-event T_avg reactor coolant average temperature T_c cold leg temperature TCS turbine control system T_h hot leg temperature TMI Three Mile Island TSC technical support center UEL upper electrical limit VDU video display unit VMS vibration monitoring system
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