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What is the function of open delta connection?

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Question added by maha ahmed sayed elayat , تدريب , شركه سيمنز
Date Posted: 2013/10/18
حسام ناجى
by حسام ناجى , testing and commissioning engineer II , SENDAN INTERNATIONAL COMPANY

تسخدم فى محول الجهد للحصول على جهد المركبة الصفرية فى حالة حدوث قصر بين احد الأوجه و الأرض لاستخدامة فىتحديد اتجاه تيار القصر فى الوقاية المسافية او الوقاية من زيادة التيار

Zubin Zakariya
by Zubin Zakariya , Instrumentation trainee , FACT

 A defective single-phase transformer in a Delta-Delta three-phase bank can be disconnected and removed for repair. Partial service can be restored using the remaining single-phase transformer open-Delta until a replacement transformer is obtained.

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