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Transient Switching Surge Protection
The PROTEC Z family is a range of surge suppressors for protection of medium voltage motors, generators and transformers against transient switching surges.
PROTEC Z surge suppressors alter circuit parameters in such a way that transient over voltages, due to switching operations are suppressed so as to maintain the voltage at the machine terminals within the IEEE ratings. They are recommended for use in systems incorporating vacuum, SF6 and metal vapor contractors and breakers.
PROTEC Z surge suppressors are supplied in compact and standard versions for LV, MV and HV applications.
The PROTEC Z + is an extremely cost effective transient switching surge protection device combined wit PD sensor for on-line monitoring of the condition of the winding insulation of the protected motor, generator or dry type transformer utilizing partial discharge analysis. It is more effective than coupling capacitors used for this purpose because of the wider frequency response afforded by the PROTEC Z +. This permits seeing deeper into the windings and provides significantly improved coverage, which has always been a weakness of conventional coupling capacitor sensors.
Features
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Robust, high grade stainless steel enclosure.
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Enhanced THD (V) withstand.
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Designed for multi-ranging applications.
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Permits integrity test of functional components.
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Safety switch on all HV products as a standard
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Recognised quality system certification.
PROTEC Z +
Application
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The PROTEC Z family is a range of surge suppressors for protection of medium voltage motors, generators and transformers against transient switching surges. PROTEC Z surge suppressors alter circuit parameters in such a way that transient over voltages due to switching are suppressed so as to maintain the voltage at the machine terminals within the IEEE ratings. They are recommended for use in systems incorporating vacuum, SF6 and metal vapour contactors and breakers. PROTEC Z surge suppressors are supplied in compact and standard versions for MV applications.
Technical Data sheet – Africa, Europe, Asia and Australasia
Manufactured Standards
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The PROTEC Z product is manufactured in Europe to Bureau Veritas ISO9001 quality control system, including the capacitor unit within the PROTEC Z. All the internal and external insulation levels and testing requirements comply fully withIEC-871-1 for shunt capacitors with 660V rating and upwards.
Protec Z instructions for safe use