Enquiry Specification for Wagon Tippler with Side Arm Charger and ...
Enquiry Specification for Wagon Tippler with Side Arm Charger and ...
Enquiry Specification for Wagon Tippler with Side Arm Charger and ...
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<strong>Enquiry</strong> <strong>Specification</strong> <strong>for</strong> <strong>Wagon</strong> <strong>Tippler</strong> <strong>with</strong> <strong>Side</strong> <strong>Arm</strong> <strong>Charger</strong> <strong>and</strong> Associated works<br />
NRO/CON/WT/533<br />
7.0 Electrical design<br />
(i) Power Supply<br />
• 415 V +10 & -15% • 50 Hz +/-6% • 3phase,<br />
4-wire AC, • 50 kA <strong>for</strong> 1 second,<br />
solidly earthed.<br />
(ii) Starting DOL or thyristor converter (ASTAT or<br />
SIMOTRAS or equv.) Soft starter feature<br />
through static voltage control/VVVF as per<br />
application<br />
(iii)<br />
Min Voltage <strong>for</strong> Start &<br />
Run<br />
80 % of rated voltage at terminal<br />
(iv) Breakdown or pullout Pull out torque of the intermittent duty<br />
torque<br />
motors to be not less than 300% of the<br />
rated torque at 40% duty factor.<br />
(vi) Starting current
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