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

Table 1

The main factors that influence the purchase expense recognition equipment.

The first level indicators	The second level indicators	Main influence equipment
Equipment purchase cost	The main transformer system	The main transformer
	Power distribution equipment	High voltage power distribution equipment
		Low voltage power distribution equipment
	Var Compensator	Capacitor bank
	Control and DC system	The computer monitoring system
	Station power system	Station transformer
		Station power distribution equipment
	Communications and remote systems	Communications systems