Prediction Technology of Power Transmission and Transformation Project Cost Based on the Decomposition-Integration

Table 2

Identification of technical conditions of installation cost factors.

The first level indicators	The second level indicators	The main technical factors
The main production engineering	Main transformer system	Current main transformer stations
		A single main transformer capacity
	Power distribution equipment	(High, medium, and low side) distribution equipment type
		(High, medium, and low side) number of units breaker
	Var Compensator	Reactor
		Capacitor
		Series compensation device
	Control and DC system	Computer monitoring and control system
	Station power system	Station transformer capacity
		Load voltage form
		Insulation mode
	Cable	Control cable
		1 kv and below power cable
	Ground material	Material type
		Weight
	Communications and remote systems	Optical transmission equipment
		Cable type