Overload protection for a rotating-field driven load
The rotary field powered electrical load is connected to the phases of a polyphase electrical supply network and has a circuit (4) for protection against especially thermal overload damage. In the event of an overload the load can be isolated from one phase (L1) by the protection circuit and remain...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The rotary field powered electrical load is connected to the phases of a polyphase electrical supply network and has a circuit (4) for protection against especially thermal overload damage. In the event of an overload the load can be isolated from one phase (L1) by the protection circuit and remain connected to the other phases (L2,L3) of the electrical supply network. Independent claims are is also included for the following: (a) a method of overload protection for a rotary field powered electrical load (b) and a protective circuit for implementing the inventive method. |
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