Discover Top Posts Tagged with #motor controls

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First, a variable-displacement pump controls flow to the motor. This configuartion is commonly known as a hydrostatic transmission. Second, a proportional or servovalve powered by a constant-pressure source, such as a pressure compensated pump, drives the motor.

#Hydraulic Pump #Motor Controls

Soft starters and VFDs can both be used to start motors at reduced voltage. Soft starters are more affordable, while VFDs offer speed control features.

Electrical engineers recommend soft starters when motors only need a starting system, and VFDs when motors also need speed control while operating.

#VFD #Electric Motors #motor starter #soft starter #motor controls

Kopitiam (27/12/2018)

Coordinated motor starters: the right choice for reduced downtime and increased safety

… The International Electrotechnical Commission (IEC) has recognized that electrical faults in motor control are a critical situation that needs to be properly addressed to ensure safety of personnel and equipment, as well as productivity of an installation. Therefore, the IEC has developed specific standards and testing procedures to ensure that the combination of devices used to control motors – i.e. motor starters – is safe. This is achieved through “coordination”.

#motors #motor controls #IEC 60947