Static reactive power generating apparatus

Details Static reactive power generating apparatus Static reactive power generating apparatus

1975-05-08

1977-01-04

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

321 66, 323119, H02J 318

Patent

active

040016706

ABSTRACT:
An AC/AC frequency changer operating under a one to one frequency ratio has its input coupled to a power system of same frequency and voltage, with an inductor connected between its output and input terminals. The output voltage is controlled so as to deviate by a predetermined amount from the input voltage so that reactive power flows from the output to the input which, owing to the inherent phase inversion in the frequency changer, causes reactive input current and reactive output current to be summed up directly at the input terminals. As a result, the frequency changer requires only a power rating which is half the reactive power which it can supply to the power system.

REFERENCES:
patent: 3858105 (1974-12-01), Gyugyi
Frank et al., "Power-Factor Correction with Thyristor Controlled Capacitors", ASEA Journal 1971, vol. 44, No. 6, pp. 180-184, s26450038, 323-119.

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