Abstract
The purpose of this thesis is using RELAP5-RT, a thermohydraulic system analysis program developed by INEL, to built an independent thermohydraulic analysis model for the simulation of power test transients of Lungmen Nuclear Power Station of Taiwan Power Company. The plant employs the Advanced Boiling Water Reactor (ABWR) designed by General Electric. The focuses of this research are the building of the control logics of the recirculation flow control system (RFCS), reactor protection system (RPS), and rod control ＆ information system (RCIS). The control logics of the other two major control systems, feedwater control system (FWCS), and steam bypass and pressure control system (SBPC) are developed in a separated thesis work and not included in this report. The two separate RELAP5-RT thermohydraulic systems input decks, which model the reactor coolant system and balance of the plant of Lungmen Nuclear Power Plant, are combined into an integrated input deck. These input decks are parts of the Advanced Lungmen Plant Simulator (ALPS) developed by the Nuclear Power Plant Dynamic Simulation and Analysis Lab. of National Tsing Hua University. Then, the control logics of the Lungmen Nuclear Power Station’s control system are incorporated into theintergrated deck. The control logics are also adopted from ALPS. The input deck developed is used to simulate two power test transients of the plant, “trip of one reactor internal pump” and ”three reactor internal pumps trip”. The results are compared with the results of the GE’s STAR and the ALPS’s simulation. The comparisons show that the RELAP5-RT input deck of Lungmen Nuclear Power Station built in the present study can mimic.