|
|
|
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.
|
|
|
|
|
|
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
|
|
|
|
|
|
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
|
|
Paralleling relay – type HAS-111DG
The HAS-111DG synchroniser is applied to check the synchronisation conditions. It can be used in installations requiring manual or semi-automatic synchronisation (e.g. tie breakers).
Features include
> Synchronisation of generator to busbar
> Setting of phase angle difference
> Setting of frequency and voltage difference
> LED indication of status
> LED for synchronising signal
> 35 mm DIN rail or base-mounting
The paralleling relay transmits a synchronisation pulse when the phase angle, frequency and voltage deviations are within the set limits. Moreover, the HAS-111DG is equipped with 2 analogue outputs. These outputs can be used for regulating purposes together with DEIF A/S Load Sharing Units
|
|
MIB High Impedance Busbar Differential Relay
MIB High Impedance Busbar Differential Relay
The MIB, a member of the M II family of economical and highly functional digital protection relays, is a microprocessor based relay that provides three phase high impedance differential protection for Substation Bus-bars of any voltage level.
Use the MIB also to protect electrical machines like transformers, generators or motors against restricted earth faults.
Basic protection functions features include a high impedance differential protection unit with a tripping time of 1 1/2 cycles. Stability against external faults is guaranteed thanks to the use of a stabilizing resistor. The unit includes a set of MOVs (Metal Oxide Varistors) provided to clamp the secondary peak voltage below 2kV during fault conditions.
The relay includes open CT detection which provides an alarm when it detects sustained current unbalance conditions, issuing a warning signal and blocking the operation of the unit.
|
|
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
|
|
control of generators, and is primarily designed for marine applications.
Back RELATED PRODUCTS
EQ Analogue Instruments
DOCUMENTATION
Application Notes
Differential current relays
Interfacing DEIF equipment to gover...
Uni-line
Installation Instruction
Approval/Certification
ABS - 04-LD438860/1
BV - 07644/B0 BV
CCS - GB07T0023-04
CNK No. TA05255M
DNV - A-10824
GL - 11 349-98 HH
KRS - CPH06107-AC002
LR - 98/20022
PRS - TE/1696/880465/07
RINA ELE/35201CS1
UL file 233044
GOST-R 9031803900
Marine Approval - RRR 432-4.4.3-06
RS - 04.10094.262
Type Certificate
Data Sheets
Table of Products
|
|
|
|
|
|
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.
|
|
Differential current relay - type RMC-131D
Differential current relays protect the generator against short circuits and leakage currents in the windings of the generator.
Features include
> Measurement of 3-phase currents
> Non-stabilised measurement
> LED indication of fault condition
> Timer-controlled tripping
> LED indication for activated relay
> Extra change-over relay contact for signalling
> 35 mm DIN rail or base-mounting
The protective differential current relay type RMC-131D forms part of a complete DEIF series of relays for protection and control of generators, and is primarily designed for marine applications.
|
|
|
The L90, a member of the UR family of protection relays, is a digital current differential relay system which provides protection for transmission lines. It may be applied on or adjacent to series compensated lines for three phase tripping. The L90 utilizes an innovative current differential scheme with adaptive restraint that allows the relay to operate correctly even when fault currents are distorted by harmonics or CT saturation. Models are available for application on transmission lines with 2 or 3 terminals. The relay may be used as a standalone device or as a component of an automated substation control system.
|
|
High-performance protection relays for the protection of distribution systems and HV/MV substations
Description
Range of digital protection relays, ready-to-use, providing all the functions required by an application:
complete protection against internal transformer faults
restricted earth fault protection included
simple implementation due to the use of neural networks
metering
alarms and indication
control monitoring and diagnosis
communication
Two applications:
D32:three-winding differential protection for public and industrial distribution network.
D31: three-winding differential protection for HV/MV substations.
|
|
|
|
|
|
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.
|
|
|
|
|
|
Multi-Differential Relay – MDR-2 – digital speed and accuracy, maximum reliability
The MDR-2 is a differential current relay intended for protection of a generator against internal short circuits (leaking currents). It is based on a 16-bit digital signal processor providing maximum performance and reliability.
Features include
> Response time 50 ms
> 3-phase detection of current on primary and secondary side of the generator
> Active, adjustable compensation of non-balanced current measurements
> Measuring accuracy 1%
> Stress-free configuration and operation via clear and simple menu structure
> DIN-rail or base-mounting with remote mountable display
> Approved according to LR, GL, etc.
All measured and calculated values are shown in clear text and numbers on the large LCD display (allowing significant savings on purchase and wiring of external meters).
Available options include a block (generator + step-up transformer) protection option and a short-circuit and overcurrent protection option.
DEIF's utility software for setup, monitoring and control is free of charge
Available software download for this product click here
|
|
|
|
|
|
The Current Protection Relay (IPR-A) has been designed to measure the line and ground RMS currents under normal conditions or under disturbances. The current signals are sensed throughout current transformers (CT) from each line. This information is internally processed by the microprocessor, to take the current protection actions defined under ANSI, IAC or IEC standard. The different functions provided by the IPR-A may be classified into the following groups:
Applications:
* Primary and backup protection for power plants, utility and industrial distribution systems.
* Protection of transformers, overhead lines, cables and generators.
* Permits the opening of the switch/disconnector within the limits of its capacity, those identifying the excess (e.g. straight short-circuits), leaving the circuit interruption to the back-up fuses.
Protection:
* CT primary ratio selectable in 5 amp steps (10 A to 5000 A).
* Inverse time phase overcurrent (ANSI 51) and inverse time ground overcurrent (ANSI 51N/51G), with selection of curves according to ANSI, IAC or IEC/BS142, as follows:
Moderately inverse.
Standard inverse.
Very inverse.
Extremely inverse.
Definite time.
* Instantaneous overcurrent (ANSI 50).
* Instantaneous ground overcurrent (ANSI 50N/50G).
* Overload alarm adjustment to one level.
* Accumulated KA per phase on breaker interruption.
* 1 trip relay and 1 alarm relay.
* Loss of control volts relay.
|
|
|
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.
|
|
|
|
|
|
Multi-Differential Relay – MDR-2 – digital speed and accuracy, maximum reliability
The MDR-2 is a differential current relay intended for protection of a generator against internal short circuits (leaking currents). It is based on a 16-bit digital signal processor providing maximum performance and reliability.
Features include
> Response time 50 ms
> 3-phase detection of current on primary and secondary side of the generator
> Active, adjustable compensation of non-balanced current measurements
> Measuring accuracy 1%
> Stress-free configuration and operation via clear and simple menu structure
> DIN-rail or base-mounting with remote mountable display
> Approved according to LR, GL, etc.
All measured and calculated values are shown in clear text and numbers on the large LCD display (allowing significant savings on purchase and wiring of external meters).
Available options include a block (generator + step-up transformer) protection option and a short-circuit and overcurrent protection option.
DEIF's utility software for setup, monitoring and control is free of charge
Available software download for this product click here
|
|
|
The MGC1000 are microprocessor based, digital type, generator protection relays which provide thermal protection for three phase generators, phase fault, ground fault, and unbalanced current protection.
|
|
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.
|
|
|
Designed for positioning on Rail embedded DIN or, of reduced to dimensions, used for protection of machines and electrical systems against surges, sobreintensities, variations of frequency…
|
|
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.
|
|
|
|
|
|
Multi-Differential Relay – MDR-2 – digital speed and accuracy, maximum reliability
The MDR-2 is a differential current relay intended for protection of a generator against internal short circuits (leaking currents). It is based on a 16-bit digital signal processor providing maximum performance and reliability.
Features include
> Response time 50 ms
> 3-phase detection of current on primary and secondary side of the generator
> Active, adjustable compensation of non-balanced current measurements
> Measuring accuracy 1%
> Stress-free configuration and operation via clear and simple menu structure
> DIN-rail or base-mounting with remote mountable display
> Approved according to LR, GL, etc.
All measured and calculated values are shown in clear text and numbers on the large LCD display (allowing significant savings on purchase and wiring of external meters).
Available options include a block (generator + step-up transformer) protection option and a short-circuit and overcurrent protection option.
DEIF's utility software for setup, monitoring and control is free of charge
Available software download for this product click here
|
|
The Voltage Protection Relay (VPR-A) has been designed to measure the line or phase RMS voltages under normal conditions or under disturbances. This information is internally processed by the microprocessor, to take the voltage protection actions defined under ANSI or IEC standards. The different functions provided by the VPR-A may be classified into the following groups:
Applications:
* Protection of generators, motors and transformers against adverse system voltage conditions.
* Supervision of automatic transfer switching schemes.
Protection:
* Selection of protection curves a definite time.
* Timed and instantaneous undervoltage (ANSI 27t/27i).
* Residual undervoltage (ANSI 27r).
* Timed and instantaneous overvoltage (ANSI 59t/59i).
* Homopolar overvoltage (ANSI 59N).
* Voltage unbalance (ANSI 46).
* Overfrequency and underfrequency (ANSI 81).
* Phase reversal (ANSI 47).
* Five (5) output relay programmable.
* Loss of control volts relay.
|
|
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.
|
|
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.
|
|
Synchroniser – type FAS-115DG
The FAS-115DG synchroniser is applied for synchronisation of a generator to the busbar and closing of its circuit breaker when the voltage difference, the slip frequency and the phase angles are within the preset limits. Moreover, this synchroniser offers voltage-matching.
Features include
> Synchronisation of generator to busbar
> Circuit breaker time compensation
> Voltage-matching
> LED indication of status
> LED for activated control
> LED for synchronising signal
> 35 mm DIN rail or base-mounting
The synchroniser can be applied in conjunction with a wide range of prime movers, as its control pulses may be set to fit several types – from slowly reacting diesel engines to swiftly reacting gas turbines.
|
|
Product Features:
- To be used with CT-1 transformers.
- Modular size. DIN rail mounting .
- Sealable front cover
|
|
|
|
|
|
Earth Leakage Relays
TemProtect Earth Leakage Relays are used to monitor earth fault current with a view to protect electrical equipment and personnel against the dangers of such faults.
Owing to the wide range of applications for the use of earth leakage protection, TemProtect has been designed to be as flexible as possible. The range includes relays suitable for installations with DIN rail, Panel or Base Mounting. All relays are suitable for use on a.c. systems and will be unaffected by d.c. components which may be present.
A range of combined relay and toroidal current transformer is also readily available.
The relays filter circuit inputs to safeguard against external disturbances in the system and offer the additional advantage of integral Test and Reset buttons, as well as integral Indication of Power and Trip.
All the Earth Leakage Relays which have separate toroidal transformers constantly monitor the connection to the toroid and will trip should an open circuit occur. They also offer the choice of automatic, manual or remote resetting after a fault has occurred.
All the relays comply to international standards including IEC 255.
|
|
TZS Series Earth Leakage Relays:
These seperate type relays offer flexible selectivity coordination for earth leakage currents.
|
|
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.
|
|
|
|
|
|
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.
|
|
|
|
Safety relays, Protection relays
