Electromagnetic induction device with on-load tap changer
AssigneeHitachi Energy Switzerland AG
InventorsTommy LARSSON, Jean MATHAE
Life of this patent
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Abstract
An electromagnetic induction device includes: a main tank, a magnetic core arranged in the main tank, an On-Load Tap Changer, OLTC, comprising: an OLTC tank mounted to the main tank, a fine selector, a diverter switch, a change-over selector, and a customer interface; and a barrier separating the main tank from the OLTC tank, wherein the diverter switch and the change-over selector are arranged in the OLTC tank, and the fine selector and customer interface are arranged in the main tank, and wherein the barrier comprises a plurality of electrical connections configured to connect the diverter switch and the change-over selector to the fine selector.
Claims20
An electromagnetic induction device comprising:
- a main tank,
- a magnetic core arranged in the main tank,
- an On-Load Tap Changer, OLTC, comprising:
- an OLTC tank mounted to the main tank,
- a fine selector,
- a diverter switch,
- a change-over selector, and
- a customer interface;
- and
- a barrier separating the main tank from the OLTC tank, wherein the diverter switch and the change-over selector are arranged in the OLTC tank, and the fine selector and customer interface are arranged in the main tank, and wherein the barrier comprises a plurality of electrical connections configured to connect the diverter switch and the change-over selector to the fine selector.
A transformer comprising:
- a main tank,
- a magnetic core arranged in the main tank,
- an On-Load Tap Changer, OLTC, comprising:
- an OLTC tank mounted to the main tank,
- a fine selector,
- a diverter switch,
- a change-over selector, and
- a customer interface;
- and
- a barrier separating the main tank from the OLTC tank, wherein the diverter switch and the change-over selector are arranged in the OLTC tank, and the fine selector and customer interface are arranged in the main tank, and wherein the barrier comprises a plurality of electrical connections configured to connect the diverter switch and the change-over selector to the fine selector.
Dependencies are inferred from the claim text.