Merz Price Protection Of Alternator. Merz price protection is also called differential protection. The differential relay gives protection against short circuit fault in the stator winding of a generator.
Differential protection of alternator or Merz-Price circulating current protection system is an only protection system that protects alternator stator from burning through at least 80 of it. The control panel made of MS sheet of 1 mm thickness Siemens Grey colour powder coated The Box type Instrument Panellof size L 1050 mm. The micro-controller performs powerful Digital Algorithms.
Merz price protection This is most commonly used protection scheme for the alternator stator windings.
Merz price differential protection is used to protect the transformer from internal short circuit Internal ground faults and inter turn shorts. Under normal operating conditions the currents are equal. The scheme is also called biased differential protection and percentage differential protection. Answer Posted shyam kishor Merz-Price protection is the method used for protection of alternators.