Modern Analysis of Power Flow and Network Stability of Transmission Lines for Nuclear Power Dispatch

Abstract

This article presents an general approach to improve the power system planning, load flow pattern and stability of transmission lines using modern analysis concept. The objective is to categorize and characterize the existing system reliability concerns inherited from the adopted deterministic criteria, so that power utilities can accordingly adjust their reliability criteria to manage with real-life system uncertainties and hence to improve the overall system reliability. In the past many wide spread blackouts had occurred in interconnected power systems. Therefore it is necessary to ensure that grid should be operated economically and reliably. Contingency analysis is a well-known function in modern power system management. The aim of this analysis is to give the operator information about the static security, power flow pattern and stability. In general an outage largest capacity of one transmission line or transformer may lead to disturb the vital parameters in other lines. Modern analysis is used to calculate the violation on the network and improvement. Nuclear power plant is a base unit and best way to dispatch the power to the grid with minimum disturbance. This paper also shows the network stability, power flow management for 500MW Nuclear power plant transmission lines and connected to southern region network of India.

Multi-Power Joint Peak-Shaving Optimization for Power System Considering Coordinated Dispatching of Nuclear Power and Wind Power

“…The output constraints, climbing speed constraints and minimum start-stop time constraints of coal-fired units are presented by (13). The output constraint, climbing rate constraint and minimum start-stop time constraint of combined cycle units is given by (14).…”

“…Large-scale, random, intermittent wind power and large-capacity nuclear power plants are connected to the power grid, which puts higher requirements on the climbing rate of units such as thermal power [9,10]. With the continuous increase of peak-valley difference of load in coastal areas and the construction and development of wind and nuclear power units, the pressure of peak shaving in coastal areas will be seriously aggravated and the demand for wind and nuclear power to participate in daily peak shaving is becoming stronger [11][12][13].…”

A Speed-Governing System Model with Over-Frequency Protection for Nuclear Power Generating Units

“…In order to obtain the dynamic response of the system over extended periods (up to 30 s), studies must be carried out with suitable models representing the generator excitation controls and the turbine controls [11]. In the research on network stability, the speed-governing system model of a nuclear power plant (NPP) is often simplified [12,13]. However, in order to stabilize the unit and grid frequency, it is necessary to establish the prime mover and its speed control system model considering frequency protection [14,15].…”