| L90 Line Differential System |
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High-speed current differential protection with three/single pole tripping. The L90, a member of the UR Family of protection relays, is an advanced current differential relay intended for application on overhead transmission lines, including series compensated lines, and high voltage underground cables of any voltage level. Both three pole and single pole tripping and reclosing schemes are available. The current differential scheme is based on an innovative algorithms developed and patented by GE, and is the first digital current differential relay of its class.
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| L30 Line Differential System |
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Cost effective Current Differential System for high-speed Lines and Cables. Part of the Universal Relay family, the L30 comes with a variety of versatile features truly integrating protect ion, moni toring, metering, communication and control in one easy-to-use device.
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| L60 Line Phase Comparison System |
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Flexible phase comparison protection for HV and EHV transmission lines. The L60, a member of the Universal Relay Family of protection relays, is an advanced line phase comparison relay intended for application on overhead transmission lines, including series compensated lines, and high voltage underground cables of any voltage level. Both three pole and single pole tripping and reclosing schemes are available.
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| D90Plus Line Distance Protection System |
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Sub-cycle line distance protection & advanced automation controller. The D90Plus is a sub-cycle line distance protection system and bay controller suitable for protecting transmission lines and cables including lines equipped with series compensation. The D90Plus supports dual-breaker applications and can be used for single or three-pole tripping. The D90Plus supports different teleprotection schemes, including DCB, DCU, POTT, Hybrid POTT, and PUTT. The D90Plus also provides Synchrophasor measurement over Ethernet per IEEE C37.118. The automation controller, dedicated programmable logic separate from programmable logic for protection applications, color annunciator and HMI panels make D90Plus a stand-alone substation controller.
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| D60 Line Distance Protection System |
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High-speed transmission line protection with flexibility for three or single pole tripping. The D60, a member of the UR Family of protection relays, is a numerical line distance protection system, which provides protection for medium to extra high voltage transmission lines and an integrated system providing control, automation, metering, synchrophasors, monitoring and communications in one easy to use package. Use the D60 on applications requiring fast single or three phase tripping, single or three pole re-closing, series compensated lines, with multiple breakers per terminal.
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| D30 Line Distance Protection System |
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Cost effective, High-speed, three pole, primary and back up distance protection. The D30, a member of the UR Family of protection relays, is a Numerical line distance protection system, which provides primary protection for sub-transmission lines, backup protection for MV to EHV lines, generators and transformers. D30 features a true convergence of protection, control, automation, metering, monitoring and communications in one easy to use package.
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| C70 Capacitor Bank Protection and Control System |
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Iintegrated protection, control and monitoring for capacitor banks. Based on the well-established and proven UR relay platform, the C70 provides both bank and system protection schemes for shunt capacitor protection. The current and voltage-based protection functions are designed to provide sensitive protection for grounded, ungrounded single and parallel capacitor banks and banks with taps, for a variety of capacitor bank configurations. Combined with the sophisticated built-in control functions turn ON/OFF banks with relative ease and flexibility for automatic voltage regulation.
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| ALPS Advanced Line Protection System |
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ALPS is a multifunction digital protective relay system intended to provide distance protection for HV or EHV transmission lines. It may be applied on or adjacent to series compensated lines. It is available for single or three phase tripping applications.
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| LPS Line Protection System |
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The LPS is a multifunction digital protective relay system intended to provide distance protection for transmission lines. It may be also applied where system backup is required. It is available for single or three phase tripping applications.
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| DLPD Digital Line Protection System |
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The DLPD provides distance protection for HV and EHV transmission lines. It may be used for single or three phase tripping applications. It includes four zones of distance protection.
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