SIPROTEC 7SJ602 Multifunction Overcurrent and Motor Protection ...
SIPROTEC 7SJ602 Multifunction Overcurrent and Motor Protection ...
SIPROTEC 7SJ602 Multifunction Overcurrent and Motor Protection ...
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<strong>SIPROTEC</strong> <strong>7SJ602</strong> <strong>Multifunction</strong> <strong>Overcurrent</strong> <strong>and</strong> <strong>Motor</strong> <strong>Protection</strong> Relay<br />
Typical Connections<br />
<strong>7SJ602</strong>1/<strong>7SJ602</strong>5<br />
10 Siemens SIP 3.3 · 2003<br />
Fig. 15 Connection of 4 CTs with measurement<br />
of the earth (ground) current<br />
Fig. 16 Connection of 3 CTs with residual<br />
connection for neutral fault<br />
CT connections<br />
Fig. 15 St<strong>and</strong>ard<br />
Phase current measured<br />
Earth current measured (e. g. core balance CT)<br />
Fig. 16 St<strong>and</strong>ard connection<br />
Connection of 3 CTs with residual connection<br />
for neutral fault<br />
Fig. 17 Isolated networks only<br />
Fig. 17 Connection of 2 CTs only for isolated or<br />
resonant-earthed (grounded) power systems
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