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Table 7 Power and energy consumption index of the slewing motor at the different volumes of the accumulator

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

V (L)

Pmax (kW)

η3(%)

E (kJ)

η4(%)

350

12.6

63.91

47.4

63.9

400

11.9

64.33

40.5

64.3

450

11.4

64.37

39.8

64.4

500

10.9

64.45

37.6

64.4