Diamond Coils

<p>We at Coral coil manufacture our entire range of diamond coils in automatic / semi-automatic machines to ensure best delivery time and unmatched quality at an affordable cost.</p> <p><span style="color: #02a0c7;"><strong>COIL TYPES:</strong></span></p> <ul style="list-style-type: square;"> <li>Diamond coils</li> <li>Turn to turn overhang transposed diamond coils</li> </ul> <p><span style="color: #02a0c7;"><strong>MAIN WALL INSULATION SYSTEM:</strong></span></p> <ul style="list-style-type: square;"> <li>Thermo reactive system / resin rich system (B-Stage) </li> <li>Micalastic system or single coil VPI – A resin poor system in which the insulated bars are heated under vacuum and impregnated in heated resin. The dipped bars are then packed in hydraulic pressed curing chamber</li> <li>Uncured micalastic system or green coils for VPI</li> <li>Special insulation system – Other than the above specified systems, We offer solutions for customer specific insulation systems.</li> </ul> <p><span style="color: #02a0c7;"><strong>CONDUCTOR INSULATION:</strong></span></p> <ul style="list-style-type: square;"> <li>Enamel with double/single Dacron</li> <li>Enamel with double/single glass</li> <li>Enamel with single Dacron + single glass</li> <li>Enamel with mica</li> <li>Enamel with mica + film</li> <li>Nomax</li> </ul> <p><span style="color: #02a0c7;"><strong>COPPER GRADE:</strong></span></p> <p>Grades:</p> <p> G1, G2, G3</p> <p><span style="color: #02a0c7;"><strong>MAIN WALL INSULATION MATERIAL:</strong></span></p> <ul style="list-style-type: square;"> <li>VPI</li> <li>Mica/glass</li> <li>Mica/film</li> <li>Mica/glass + film</li> </ul> <p><span style="color: #02a0c7;"><strong>CORONA DISCHARGE PROTECTION:</strong></span></p> <ul style="list-style-type: square;"> <li>Corona shield tape / conductive tape</li> <li>Stress grading tape / semi conducting tape</li> </ul> <p><span style="color: #02a0c7;"><strong>VOLTAGE RANGE:</strong></span></p> <ul style="list-style-type: square;"> <li>400 V to 16 KV</li> </ul> <p><span style="color: #02a0c7;"><strong>TESTING AND INSPECTION:</strong></span></p> <p>In process inspection:</p> <ul style="list-style-type: square;"> <li>HV/HF inter element test</li> <li>Surge test – among many other tests performed while processing</li> </ul> <p><strong><span style="color: #02a0c7;">FINAL TESTING:</span></strong></p> <ul style="list-style-type: square;"> <li>Tan delta</li> <li>High voltage</li> <li>HV/HF test</li> <li>DCR</li> </ul>