Watt-hour meter
The utility model discloses a watt-hour meter, which is added with an electromagnetic pulse generator on the basis of a conventional induction watt-hour meter. In order to overcome generation of dummy pulse because of judder of rotating parts, a hall sensor of the watt-hour meter adopts a locking ty...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model discloses a watt-hour meter, which is added with an electromagnetic pulse generator on the basis of a conventional induction watt-hour meter. In order to overcome generation of dummy pulse because of judder of rotating parts, a hall sensor of the watt-hour meter adopts a locking type hall device, and accordingly, jitter can not generate dummy pulse in a certain range (angle) to essentially ensure accurate relation between the quantity of electricity and the quantity of output pulse of the watt-hour meter. |
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