| 摘要 |
FIELD: electricity.SUBSTANCE: device comprises a shunting capacitor tank of static capacitors, including serially connected capacitors, one input of the tank is connected to a linear bus, and the other input - to grounding, a closing breaker connected in parallel to a part of capacitors arranged at the side of the grounded input, besides, one input of the breaker is connected on the ground potential, and a controlled shunting reactor. At the same time the ratio of capacities of the controlled shunting reactor and a part of the capacitor tank meets the following condition: Q?Q, where Q- controlled reactor capacity, and Q- capacity of a shunting capacitor tank of static capacitors with the disconnected closing breaker. The range of reactive power variation is expanded (instead of the range from -Qto 0, there is a range from -Qto +Q).EFFECT: improved quality of grid voltage stabilisation and additional reduction of power losses in a grid and in a load.1 dwg |
