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Appendix<br />

15<br />

Power factor correction<br />

Single switching for fluorescent lamps<br />

Circuit for discharge and metal halide lamps (1 x HST/HSE<br />

250…600W / 1 x HMI 70...1000W)<br />

L<br />

N<br />

L<br />

N<br />

K P<br />

K P<br />

VG<br />

VG<br />

ZG<br />

LL<br />

B LP N<br />

ST<br />

LP<br />

Series connection for two lamps on a single conventional ballast<br />

Circuit for mercury discharge lamps (1 x HME 250...400W)<br />

L<br />

N<br />

L<br />

N<br />

K P<br />

VG<br />

K P<br />

VG<br />

LL<br />

LL<br />

ST<br />

ST<br />

LP<br />

appendix<br />

Kp = parallel compens<strong>at</strong>ion capacitor<br />

L = Phase terminal<br />

LL = Fluorescent lamp<br />

LP = Discharge lamp<br />

N = Neutral terminal<br />

St = Starter<br />

VG = Control gear<br />

ZG = Ignitor

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