Mahd Niro Control
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رله های جریانی و ولتاژی زیمنس- SIPROTEC COMPAC

SIPROTEC Compact

Perfectly suited for protection in distribution systems and industry, with minimal space requirement. SIPROTEC Compact devices provide a comprehensive range of functions in a surprisingly compact and space-saving housing. Whether as main or as backup protection, a single SIPROTEC Compact device provides protection functionality for every conceivable fault. And it can do even more – it supports the control, automation, and monitoring functions in the substation.

 
 

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Overcurrent protection

SIPROTEC COMPACT 7SJ80

رله جریانی فیدر- SIPROTEC COMPACT- 7SJ80- مهد نیرو کنترل

The SIPROTEC 7SJ80 relays can be used for feeder protection of high and medium-voltage networks with grounded, low-resistance grounded, isolated or a compensated neutral point. The relays have all the required functions to be applied as a backup relay to a transformer differential relay. The SIPROTEC 7SJ80 features “flexible protection functions”. Up to 20 additional protection functions can be created by the user. Therefore, protection of change for frequency or reverse power protection can be realized, for example. The relay provides circuit-breaker control, further switching devices and automation functions. 
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Voltage and frequency protection

SIPROTEC COMPACT 7RW80

رله جریانی فیدر- SIPROTEC COMPACT- 7SJ80- مهد نیرو کنترل

Voltage and frequency protection relays detect any deviation from the permitted voltage, frequency or overexcitation values. They respond according to the values set. The relays can also be applied for the purposes of system decoupling and for load shedding if ever there is a risk of a system collapse as a result of inadmissibly large frequency drops.
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