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Cooling and heating
Contents of this chapter
This chapter deals with the internal cooling circuit.
Hardware description
General
￭
The internal cooling circuit covers the heat-generating electrical components and transfers
the heat to the external cooling circuit that is usually part of a larger external cooling system.
Diagram of the internal cooling and heating circuit
￭
The following example diagram shows how coolant circulates in the auxiliary control, grid-side
converter, LCL filter, main breaker and generator-side converter cubicles of the wind turbine
converter.
Cooling and heating 119
13
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