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REA, the latest arc protection system developed by ABB, combines a unique sensor technique with instantaneous and reliable fault detection, solid state trip outputs and an extremely fast total system operating time. These are qualities that minimize damage, allow power distribution to be smoothly restored, and may even save human lives. The use of the extension unit allows the protection area to be extended.
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RGU-10 (earth leakage protection relay)
- Instant current leakage and pre-alarm display
- Small size. Just 3 modules
- Type A super-immunized earth-leakage protection, suitable for the new industrial environment
- High frequency current filtering
- Programmable sensitivity and delay times
- Integration into the energy control system of the installation, using RS-485 communications
- Option for earth-leakage reclosing and overload/short circuit protection
CBS-4 (multipoint earth leakage scanning sytem)
- 4 RGU-10 in one single equipment
- Small size. Just 3 modules
- Reduces occupied space and wiring time
- RS-485 Communications
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Focusing on Medium Voltage, Ormazabal has a broad range of automation and protection applications and services capable of meeting the needs of any distribution network.
For this reason, the ekorSYS family units from Ormazabal integrated in the cubicle, is the ideal solution for the most demanding installations, offering higher performance than conventional systems. Their versatility, easy instalment in Ormazabal´s Medium Voltage cubicles and optimal interaction between all units of the family system ( sensors, indicators, protection relays, power sources, RTU´s, etc ) improve their use for diverse applications, from basic protection functions up to more complete automatization, communication and integrated control functions.
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RGU-10 / CBS-4 Family. Inteligent protection
RGU-10
-Instant current leakage and pre-alarm display
- Type A super-immunized earth-leakage protection, suitable for the new industrial environment
- High frequency current filtering
- Programmable sensitivity and delay times
- Small size. Just 3 modules
- Integration into the energy control system of the installation, using RS-485 communications
- Option for earth-leakage reclosing and overload/short circuit protection
CBS-4
- 4 RGU-10 in one single equipment
- Small size. Just 3 modules
- Reduces occupied space and wiring time
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Fanox offer a motor protection relay, with ATEX certificate (PTB). It is ideal for motor application on explosive atmosphere.
General characteristics:
- Overload protection with thermal memory
- Phase aymmetry and phase sequence protection
- External display module for panel mounting (22 mm)
- Not connected to the motor line (passing through wires).
- Manual reset: when tripping as result of asymmetry or phase failure, the relay could be reset after 2 seconds; should tripping be caused by an overload, the waiting time to reset will be directly proportional to its severity, up to approximately 8 minutes.
- Remote reset: after the waiting time has elapsed by interrupting the auxiliary power supply and reconnecting it again after 3 seconds.
- Mounted on DIN rail EN50022-35.
- UL, cUL listed. Marked CE.
- Maximum terminal section : 2.5 mm2, No. 22-12 AWG.
- Maximum screw torque: 20 Ncm, 1.8 LB-IN.
- Norms: IEC 255-22, IEC 801, EN 50081-2, IEC-255, IEC-947
- Insulation: 2000V - 50Hz - 1min/3kV - 1.2/50 µs.
- Storage temperature: -30°C +70°C.
- Operation temperature / Maximum altitude:
-15°C +60°C / 1000 m.
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*Gives excellent protection for L.V. motors up to 1000 Vac
* Broad range of current adjustment (1 to 630 and over)
* Discriminative signalling of the relay trip cause
* Suitable for any motor start or working cycle. Broad range of trip class setting.
* Memorizes the thermal image of the motor, either heating or cooling.
* External display module (22 mm)
* Three-years guarantee
This relay is specially applicable to protect motor which need dependable and accurate protection relays for every type of start (trip classes 5, 10, 15, 20, 25, 30and 35):
* motor control centre (MCC)
* pumps
* compressors
* ventilators
* centrifugal machines
* conveyor belts
* cranes
* valves
* air conditioning
* machine tools
* etc.
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General characteristics:
- Pump protection (dry working protection) without external sensor
- Overload protection with thermal memory
- Phase aymmetry and phase sequence protection
- External display module for panel mounting (22 mm)
- Not connected to the motor line (passing through wires).
- Manual reset: when tripping as result of asymmetry or phase failure, the relay could be reset after 2 seconds; should tripping be caused by an overload, the waiting time to reset will be directly proportional to its severity, up to approximately 8 minutes.
- Remote reset: after the waiting time has elapsed by interrupting the auxiliary power supply and reconnecting it again after 3 seconds.
- Mounted on DIN rail EN50022-35.
- UL, cUL listed. Marked CE.
- Maximum terminal section : 2.5 mm2, No. 22-12 AWG.
- Maximum screw torque: 20 Ncm, 1.8 LB-IN.
- Norms: IEC 255-22, IEC 801, EN 50081-2, IEC-255, IEC-947
- Insulation: 2000V - 50Hz - 1min/3kV - 1.2/50 µs.
- Storage temperature: -30°C +70°C.
- Operation temperature / Maximum altitude:
-15°C +60°C / 1000 m.
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Fanox proposes two models of Thermistor protewction relay (PTC). One model is with automatic reset and the other one y manual reset.
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The A-ISOMETER® of the IR420 series is designed to monitor the insulation resistance of AC control circuits (IT systems) 0...300 V. If the systems to be monitored include DC components, such as switched-mode power supplies or solenoid valves, the display and operating characteristics may be affected.
The display and response values apply to pure AC systems. An external supply voltage allows de-energized systems to be monitored too.
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The SIPROTEC 7SS60 system is an inexpensive numerical differential current protection for busbars in a centralized configuration.
It is suitable for all voltage levels and can be adapted to a large variety of busbar configurations with an unlimited number of feeders. The components are designed for single busbars, 1½-breaker configurations and double busbars with or without couplers.
The use of matching transformers allows phase-selective measurement. Single-phase measurement can be achieved by using summation current transformers.
Features
• Optimized for single busbar and 1½ circuit-breaker configurations
• Suitable for double busbars with or without couplers
• Separate check zone possible
• Short trip times
• Unlimited number of feeders
• Differential current principle
• Low-impedance measuring method
• Numerical measured-value processing
• Suitable for all voltage levels
• Low demands on CTs thanks to additional restraint
• Measured-value acquisition via summation current transformer or phase-selective matching transformers
• Maintained TRIP command (lockout function)
• Centralized, compact design
• Combinative with separate breaker failure protection
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SIPROTEC 7SV600 is a numerical relay used for circuit-breaker failure protection. It is suitable for use at all voltage levels and in all applications.
Protection functions
• Circuit-breaker failure protection (single or three-pole with/without current)
• Independently settable delay times for operation with and without current
• Single or two-stage time delay of the busbar trip command
• Re-trip (cross trip) stage (1st stage of the 2-stage operation)
• Intertrip facility (via teleprotection interface)
• End-fault protection with intertrip
• “No current” control using the circuit-breaker auxiliary contacts
Features
• Highly sensitive current detection
• 2-out-of-4 check of the current detectors
• Short reset time, negligible overshoot time
• Can be initiated by phase-segregated or common-phase trip commands
• End-fault protection
• Assignable output relays, LEDs and binary inputs
Monitoring functions
• Monitoring of circuit-breaker auxiliary contacts
• Operational current measured values
• Self-supervision of the relay
• Event buffer
• Fault protocols
• Oscillographic fault recording
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SIPROTEC 4 7UT6 are used for fast and selective fault clearing of short-circuits in transformers of all voltage levels and also in rotating electric machines like motors and generators, for short lines and busbars. The protection relay can be parameterized for use with three-phase and single-phase transformers.
Differential protection for
• 2- up to 5-winding transformers (3-/1-phase)
• motors and generators
• short 2 up to 5 terminal lines
• busbars up to 12 feeders (phase-segregated or with summation CT)
Protection functions
• Differential protection with phase-segregated measurement
• Sensitivemeasuring for low-fault currents
• Fast tripping for high-fault currents
• Restraint against inrush of transformer
• Phase/earth overcurrent protection
• Overload protection with or without temperature measurement
• Negative-sequence protection
• Breaker failure protection
• Low/high-impedance restricted earth fault (REF)
• Voltage protection functions (7UT613/633)
Flexible communication interface, eg. IEC 61850 Ethernet protocol.
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SIPROTEC® easy are 2-stage numerical overcurrent protection devices and are primarily intended as a radial feeder or transformer protection (backup) in medium-voltage networks.
They provide definite-time and inverse-time characteristics according to IEC and ANSI standards. They prove themselves every day in substations and transformer substations.
The SIPROTEC easy 7SJ45 is powered by current transformers (CT), the power is supplied from the load or short circuit current via the standard current transformers. This makes it particularly interesting for use in substations for the secondary distribution. The auxiliary power supplied SIPROTEC easy 7SJ46 is suitable for universal application due to a wide range AC/DC power supply.
Features:
1. compact dimensions, simple to install - "plug and protect”,
2. housing - suitable for all environments,
3. modern measurement technique,
4. high availability thanks to permanent self-monitoring,
5. very simple and quick parameter setting using dip switches.
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A comprehensive range of electronic control products, providing continuous monitoring and protection of any electrical parameter. When the monitored parameter deviates from the desired set point limit, the relay will operate to protect the power asset. Designed to suit a wide variety of applications, the range offers both traditional and technologically advanced products, including single parameter units, earth leakage protection, vector shift and ROCOF, and multifunctional microprocessor based system protection relays.
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SIPROTEC 7RW600 is a numerical, multifunction relay for connection to voltage transformers. It can be used in distribution systems, on transformers and for electrical machines. If it detects any deviation from the permitted voltage, frequency or overexcitation values, it responds according to the values set.
SIPROTEC 7RW600 can be used 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. Voltage and frequency thresholds can also be monitored.
This voltage, frequency and overexcitation relay can be used to protect generators and transformers in the event of defective voltage control, of defective frequency control, or of full load rejection, or furthermore islanding generation systems.
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The SIPROTEC 4 7SA6 distance protection relay for all voltage levels is a universal device for protection, control and automation on the basis of the SIPROTEC 4 system. Its high level of flexibility makes it suitable to be implemented at all voltage levels between 5 to 765 kV. With this relay you are ideally equipped for the future: it offers security of investment and also saves on operating costs.
• High-speed tripping time
• Low-impedance setpoints to protect also very short lines
• Self-setting power swing detection for frequencies up to 7 Hz
• Current transformer saturation detector ensures fast tripping and highest distance measurement accuracy
• Phase-segregated teleprotection for improved selectivity and availability
• Digital relay-to-relay communication by means of an integrated serial protection data interface
• Adaptive auto-reclosure (ADT)
One of the communication interfaces is system interface for connecting to a control system via IEC 61850 Ethernet protocol.
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SIPROTEC 7SS52 numerical protection is a selective, reliable and fast protection for busbar faults and breaker failure in medium, high and extra-high voltage substations with various possible busbar configurations.
The protection is suitable for all switchgear types with iron-core or linearized current transformers. The short tripping time is especially advantageous for applications with high fault levels or where fast fault clearance is required for power system stability.
The modular hardware allows the protection to be optimally matched to the busbar configuration. The decentralized arrangement allows the cabling costs in the substation to be drastically reduced. The 7SS52 busbar protection caters for single, double or triple busbar systems with or without and quadruple busbar systems without transfer bus with up to: 48 bays, 16 bus couplers, and 24 sectionalizing isolators and 12 busbar sections.
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REF615 is a dedicated feeder protection relay perfectly aligned for the protection, measurement and supervision of utility substations and industrial power systems. Re-engineered from the ground up, REF615 has been designed to unleash the full potential of the IEC 61850 standard for communication and interoperability of substation automation devices.
The relay provides main protection for overhead lines, cable feeders and busbar systems of distribution substations. The feeder protection relay suits any radial distribution network and system earthing principle.
The IEC 61850 implementation in REF615 also includes fast horizontal relay-to-relay communication over the station bus. By means of this so called GOOSE communication the REF615 relays of the incoming and outgoing feeders of a substation can co-operate to form a stable, reliable and high-speed blocking based busbar protection.
Due to the ready-made adaptation of REF615 for the protection of feeders, the relay can be rapidly set up and commissioned, once it has been given the application-specific relay settings. If the relay needs to be adapted to the special requirements of the intended application, the flexibility of the relay allows the relay's standard signal configuration to be adjusted.
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The feeder protection relay REF 610 is part of the RE_ 610 series of numerical relays for the protection and supervision of utility substations, and industrial switchgear and equipment.
The protection relay REF 610 is primarily targeted at the protection of incoming and outgoing feeders in distribution substations. REF 610 is also used as back-up protection for motors, transformers and generators, in utility and industry applications.
The numerical feeder protection relays support a wide range of standard communication protocols, among them the IEC 61850,
IEC 60870-5-103, Modbus, Profibus and DNP.
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The PGR-7200 is a feeder-protection relay that provides integrated protection, metering, and data-logging functions.
Features/Benefits:
• Eight functions to protect against overcurrent, earthfaults,
and phase loss; standard LSIG protection plus
unbalance and thermal protection
• IEC and IEEE overcurrent protection curves to coordinate
with upstream and downstream devices
• Thermal element active below overcurrent pickup
• Definite- and inverse-time ground-fault protection
• Two set-point groups can be used for:
• Maintenance setting to reduce fl ash hazard
• Two diff erent loads
• Compact size for ease of installation and for retrofi t
applications
• Conformally coated circuit boards
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The SIPROTEC 4 7SA522 is a distance protection relay for transmission lines. This relay provides full-scheme distance protection and incorporates all functions usually required for the protection of a power line. The relay is designed to provide fast and selective fault clearance on transmission and subtransmission cables and overhead lines with or without series capacitor compensation. The power system star point can be solid or resistance grounded (earthed), resonant-earthed via Peterson coil or isolated. The 7SA522 is suitable for single-pole and three-pole tripping applications with and without tele (pilot) protection schemes.
The 7SA522 incorporates several protective functions usually required for transmission line protection.
• High-speed tripping time
• Suitable for cables and overhead lines with or without series capacitor compensation
• Self-setting power swing detection for frequencies up to 7 Hz
• Digital relay-to-relay communication for two and three terminal topologies
• Adaptive auto-reclosure (ADT)
One of the communication interfaces is system interface for connecting to a control system via IEC 61850 Ethernet protocol.
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REM615 is a dedicated motor protection and control IED perfectly aligned for the protection, control, measurement and supervision of asynchronous motors in manufacturing and process industry. REM615 is a member of ABB’s Relion® product family and a part of its 615 protection and control product series. The 615 series IEDs are characterized by their compactness and withdrawable design. Re-engineered from the ground up, the 615 series has been designed to unleash the full potential of the IEC 61850 standard for communication and interoperability between substation automation devices.
REM615 constitutes main protection for asynchronous motors and their drives in manufacturing and process industry. Typically, the motor IED is used with circuit-breaker or contactor controlled HV motors, and contactor controlled medium sized and large LV motors in a variety of drives, such as pumps and conveyors, crushers and choppers, mixers and agitators, fans and aerators. One standard REM615 configuration is available including all the basic motor protection functions, voltage protection functions and power and energy measurements. Local or remote start/stop control of the motor is also facilitated.
Due to the standard configuration of REM615 for the motor protection, the IED can be rapidly set up and commissioned, once it has been given the application-specific settings.
REM615 genuinely supports the IEC 61850 standard for inter-device communication in substations. It also supports the industry standard Modbus® protocol, and the well-established DNP3 and IEC 60870-5-103 protocols.
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The motor protection relay REM 610 is part of the RE_ 610 series of numerical relays for the protection and supervision of utility substations, and industrial switchgear and equipment.
The motor protection relay REM 610 is primary targeted at protecting large asynchronous low-voltage motors and small and medium-sized high-voltage asynchronous motors. REM 610 handles electrical fault conditions during motor start up, normal operation, idling, and cooling down at standstill, e.g. in pump, fan, mill or crusher applications. The relay can be used with both circuit-breaker controlled and contactor-controlled drives. REM 610 can also be used for the protection of cables feeders and distribution transformers that require thermal overload protection besides overcurrent, earth-fault and phase unbalance protection.
The numerical motor protection relays support a wide range of standard communication protocols, among them the IEC 61850,
IEC 60870-5-103, Modbus, and Profibus.
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Motor Protection Relay offers enhanced motor protection and metering to provide diagnostic and troubleshooting capabilities for critical process motors.
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› Adjust able overload release 11 ranges between 0.18 – 16
› Maximum strength to evvirionmental conditions with
waterproof feature
› Maximum strength to mechanical pulses
› Flush mounting and enclosure types
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The market-leading Modular Control System (MCS) offers you more freedom to configure load feeder solutions through 1200 A. MCS load feeder components provide the following control and protection functions:
- Disconnecting means
- Short-circuit protection
- Load switching
- Motor overload protection
- Status indication and signaling
- DeviceNet™ communications
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7SD5 relay provides full scheme differential protection and incorporates all functions usually required for the protection of power lines. It is designed for all power and distribution levels and protects lines with two up to six line ends, to provide high-speed and phase-selective fault clearance.
Application
• Differential protection with phase-segregated measurement
• Sensitive measuring stage for high-resistance faults
• Non-switched distance protection with 6 measuring systems
• High resistance ground (earth)-fault protection for 1 and 3-pole tripping
• Phase-selective intertripping
• Tele (pilot) protection
• Weak-infeed protection
• Fault locator
• Power swing detection/tripping
• 3-stage overcurrent protection
• STUB bus protection
• Switch-onto-fault protection
• Over/undervoltage protection
• Over/underfrequency protection
• Auto-reclosure
• Synchro-check
• Breaker failure protection
• Overload protection
• Lockout function
Digital communication via
• fiber-optic cables
• digital communication networks
• pilot wires or ISDN connections
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The SIPROTEC 4 7UM61 and 7UM62 protection relays can do more than just protect. They also offer numerous additional functions. Be it earth faults, short-circuits, overloads, overvoltage, overfrequency or underfrequency asynchronous conditions, protection relays assure continued operation of power stations. They are compact units which has been specially developed and designed for the protection of small, medium-sized and large generators.
They integrate all the necessary protection functions and are particularly suited for the protection of:
• Hydro and pumped-storage generators
• Co-generation stations
• Private power stations using regenerative energy sources such as wind or biogases
• Diesel generator stations
• Gas-turbine power stations
• Industrial power stations
• Conventional steam power stations.
The combination of functions incorporated in the 7UM62 also offers excellent all-round protection for transformers, large asynchronous motors, synchronous motors.
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The SIPROTEC 7SJ602 is a numerical overcurrent relay which, in addition to its primary use in radial distribution networks and motor protection, can also be employed as backup for feeder, transformer and generator differential protection. It provides definite-time and inverse-time overcurrent protection along with overload and negative-sequence protection for a very comprehensive relay package. In this way, equipment such as motors can be protected against asymmetric and excessive loading.
Feeder protection
• Overcurrent-time protection
• Sensitive earth-fault detection
• Directional sensitive earth-fault detection
• Displacement voltage
• Disk emulation
• Overload protection
• Breaker failure protection
• Negative-sequence protection
• Cold load pickup
• Auto-reclosure
• Trip circuit supervision
Motor protection
• Starting time supervision
• Locked rotor
• Restart inhibit
• Undercurrent monitoring
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RET615 is a dedicated transformer protection and control IED for power transformers, unit and step-up transformers including power generator-transformer blocks in utility and industry power distribution systems. RET615 is a member of ABB’s Relion® product family and part of its 615 protection and control product series. The 615 series IEDs are characterized by their compactness and withdrawable design. Re-engineered from the ground up, the 615 series has been designed to unleash the full potential of the IEC 61850 standard for communication and interoperability between substation automation devices.
RET615 is the ultimate protection and control IED for two-winding power transformers and power generator-transformer blocks. RET615 is available in four standard configurations to match the applied transformer neutral earthing principles with either high impedance or numerical low impedance restricted earth-fault protection schemes. CT ratio differences and phase shifts of all commonly employed power transformer vector groups are numerically compensated for. The standard RET615 configurations feature also local or remote control of the transformer HV side circuit breaker.
Due to the standard configurations of RET615 for the transformer protection, the IED can be rapidly set up and commissioned, once it has been given the application-specific settings.
RET615 genuinely supports the new IEC 61850 standard for inter-device communication in substations. It also supports the industry standard Modbus® protocol, and the well-established DNP3 and IEC 60870-5-103 protocols.
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