Trend Analysis and Comprehensive Evaluation of Green Production Principal Component of Thermal Power Unit Based on ANP-MEEM Model

Table 3

Classical domains of the three-level indexes.

Index	Classical domain
	Below low	Low	Normal	High	Above high
Thermal stability	[0~0.1]	[0.1~0.2]	[0.2~0.3]	[0.3~0.5]	[0.5~1]
Voltage stability	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Primary frequency Regulation capability of unit	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Unit AGC capability	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Unit AVC capability	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Unit input and hysteretic adjustment capability	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
AGC response factor	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
AVC response factor	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Primary frequency response factor	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Unit trip rate	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Unit nonstop rate	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Technical management level of unit	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Unit RB index	[0~0.3]	[0.3~0.6]	[0.6~0.7]	[0.7~0.9]	[0.9~1]
Black start capability	[0~0.1]	[0.1~0.2]	[0.2~0.3]	[0.3~0.5]	[0.5~1]
Steady state performance index of unit	[0~0.6]	[0.6~0.8]	[0.8~0.9]	[0.9~0.95]	[0.95~1]
Unit environmental protection index	[0~0.3]	[0.3~0.6]	[0.6~0.8]	[0.8~0.9]	[0.9~1]
Unit power supply energy consumption	[0~0.3]	[0.3~0.6]	[0.6~0.8]	[0.8~0.9]	[0.9~1]