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PowerIT LV Active Filter PQFI - ABB Group

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5 6<br />

1<br />

2<br />

12<br />

4<br />

3<br />

8<br />

7<br />

10<br />

9<br />

11<br />

Figure 5.9. <strong>PQFI</strong> bottom part and cable entry cubicle component identification (cULus version)<br />

The component identification is given in Table 5.9.<br />

Table 5.9. <strong>PQFI</strong> bottom part description<br />

Item Description Circuit diagram<br />

designation<br />

1 Motorized circuit breaker (MCB) Q1<br />

2 Fuse holder auxiliaries circuit (16 Amax) Q2<br />

3 Auxiliary voltage transformer T1<br />

4 DC voltage power supply 24V U2<br />

5 Distribution board X1… X19<br />

6 Preload contactor (master only) K1<br />

7 CT connection terminal (master only) X21<br />

8 AC voltage measurement board (master only) A1<br />

9 PWM reactor L12<br />

10 Output reactor L11<br />

11 Earth bar -<br />

12 Surge arrester protection (for cULus version<br />

only)<br />

Note:<br />

• On CE version of <strong>PQFI</strong>, EMC compliance circuitry is standard present.<br />

• On cULus version of <strong>PQFI</strong>, EMC compliance circuitry is optional.<br />

F8-F9-F10<br />

<strong>PQFI</strong> - Chapter 5. Hardware description 20

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