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Table 6 Energy consumption index of the slewing motor at a different initial pressure of the accumulator

From: Research on Energy Efficiency Characteristics of Mining Shovel Hoisting and Slewing System Driven by Hydraulic-Electric Hybrid System

p (MPa)

Pmax (kW)

η3(%)

E (kJ)

η4(%)

25

45

57.35

157

59.4

26

34

59.47

100

61.8

27

23.4

61.51

47.3

63.9

28

12.6

63.56

47.4

63.9