Page 141 - Mathematical Models and Algorithms for Power System Optimization

132 Chapter 5

Table 5.7 Bus load curtailment output results
Format Description Format Description

A8 Bus name F10.3 Current power
A4 Bus type F10.3 Corrected power
F10.5 Bus radian F10.3 Bus curtailment amount
F10.5 Bus angle

Table 5.8 Line load output results

Format Description Format Description
A8 Bus name F10.0 Safe current (A)
A8 Bus name F10.0 Carrying capacity (A)
A5 Circuit No. F10.0 Load rate (%)
F10.4 Reactance (per-unit value)

Table 5.9 Transformer load output results
Format Description Format Description

A8 Bus name F10.0 Main transformer capacity
(MVA)
A8 Bus name F10.0 Load (MW)
A5 Transformer set No. F10.0 Load rate (%)
F10.4 Reactance (per-unit value)

5.5 Implementation of LCO

5.5.1 Verification of the Proposed Models and Calculation Methods

To verify the proposed mathematical model and algorithm based on the linear programming
model of the LCO proposed under Section 5.3, this chapter first uses the 5-bus system to
specifically implement the model, then uses a real urban power grid of several hundred buses
for calculation.

5.5.1.1 Example of 5-bus system

Fig. 5.1 shows the 5-bus system, its bus No., and branch No. The branch direction is also
defined due to the need of forming the bus branch incidence matrix. This section verifies and
analyzes the LC in the three states of the test system.