Power factor controller NF20
Country: · Model: NF20
NF20 is a power factor controller for reactive power compensation. It controls an external element, a capacitor, to cover the reactive power demand of the load. The source no longer has to supply the additional reactive current.
Technical specifications
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
The controller measures the network parameters and switches the stages of a capacitor bank in and out so that the reactive power of the load is covered on the spot. As a result less reactive current flows in the supply cable and transformer, and the source is relieved. The measurements are precise and fast, so the unit is useful for system analysis as well as for stage control. A powerful protection function guards the system and the switching element in abnormal network conditions, for example overvoltage or overloaded capacitors. The housing is square for panel mounting, and the front carries a liquid crystal display with a reactive power line, four control buttons and stage markings. The buttons are M, up arrow, down arrow and enter.
How to choose
The number of stages of the controller is matched to the number of capacitor bank sections. Separately, check whether the measuring inputs are compatible with the current transformers at the supply entry. NF20 is needed when the consumer pays for reactive energy or when the transformer and the cable are already at their limit. If compensation is fixed and the load is steady, an unregulated bank without a controller will do.
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Power factor controller NF20. We reply within one business day.
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FAQ
What is the NF20 controller for?
For reactive power compensation. It controls an external capacitor to meet the demand of the load.
What does reactive power compensation give?
It reduces the burden on the source, which no longer has to supply the additional reactive current.
Does NF20 protect the system?
Yes. The protection function guards the system and the switching element in case of network faults.
Is NF20 useful for network analysis?
Yes. Precise and fast measurements help to analyse the system.
Which controls does the NF20 front panel have?
A display with a reactive power line and four buttons, M, up, down and enter.
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