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17/Jan/2017

Medium Voltage - Full power even under extreme conditions

In the distribution network of utilities a big part of the network topology is made up by substations on the primary and secondary distribution level. The renovation and expansion of this network represents a major investment for the utilities.

At the same time, costs related to operations and power supply breakdowns also have a decisive impact. Minimum maintenance requirements and low hazard potentials in case of breakdowns can minimize risks to persons and the plant. Maintenance-free gas-insulated medium-voltage switchgear from Siemens, corresponding to IP65 degree of protection for all electrical primary components, is hermetically enclosed and safe-to-touch. This means that internal faults caused by environmental influences such as dust and humidity or by maintenance are virtually impossible. 

In comparison with air-insulated switchgear, personal safety is therefore considerably higher. Nevertheless, arcs must be safely controlled throughout the system. Siemens switchgear is tested on internal faults and offers the highest degree of safety for operators through pressure relief into the cable duct or pressure relief upwards with pressure absorber systems. Scientechnic is an exclusive partner with Siemens and offers an array of MV (Medium Voltage) switchgears that suit all medium voltage applications.

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