Energy Saving Hydraulic System with Rotational Frequency Control

Conventional servo systems using servo valves generally operate with hydraulic power sources that produce excess load flow and pressure. Therefore, such systems involve heat and power loss caused by excess flow, as well as considerable pressure loss through the valves. On the other hand, systems with rotational frequency control regulate the motor speed so that the flow rate and pressure are optimized for load requirements. Systems with rotation control can minimize pressure loss and greatly reduce the power consumption for pressure holding.

Table 9.5 shows the specifications of the IH servo drive pack.

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