Protection & Control Relays

Complete and Reliable Solutions for Digital Transmission and Distribution Substations

Modular, Flexible & Cybersecure Protection IEDs designed to meet the most demanding requirements in each Application Field

HV Lines / Transformers / Busbars and Breakers / Feeders / Motors / Bay Control Applications / Grid Automation

 

General characteristics of the Flex Family

  • Powerful programable logic. 9 2000 event log. Up to 100 oscillography seconds.
    Alphanumeric or graphic display.
  • 160 DI, 80 DO, and 22 LEDs.
  • Bonding, RSTP, PRP and HSR Redundancy.
  • IEC 61850 Ed.2, DNP3.0, Modbus RTU and PROCOME Protocols.
  • Native process bus. Analog input cards operate as Merging Units for the CPU.
  • Synchronized samples at 4800 Hz (as per IEC 61869-9).
  • Cybersecurity in accordance with IEC 62351, IEC 62443 and IEEE 1686-2013 standards. RBAC, secure keys, physical and logical port disabling, cybersecurity event log, securing of management protocols (PROCOME, HTTPS, SFTP, SSH), remote authentication (LDAP, RADIUS) and digital firmware securitization.
  • Time synchronization by IRIG-B, SNTP and PTP (Ordinary Clock / Transparent Clock).

 

Download now the Flex Family Protection Relays leaflet PDF

All about the Cybersecurity functionality on the Flex Family Protection Relays 

IRF – Modular Feeder Protection Relay IEC 61850 2

Protection relay for distribution feeders, transformers and generators, transmission line backup, and BCU (bay control unit). IEC 61850 Certified ed 2. The IRF is applicable in any substation scheme. The protection functions are suitable for any neutral configuration, solid-grounded, resistor grounded, Petersen coil compensated, and isolated. The powerful programmable logic features selectable execution times according to the required priority (2 [...]

DLF – Line Differential Protection Relay IEC 61850

Line Differential Protection with Distance Backup. Both functions are suitable for lines of any Voltage Level, Overhead or Under Ground, Multiterminal, and Single or Parallel Circuits The DLF includes all the protection, control and measurement functions for a power line with or without Series Compensation, Single Breaker, and Single or Three Pole Tripping. The fast Differential Unit, complemented by the [...]

IDF – Transformer Protection Relay IEC 61850 2

Protection relay for two or three winding transformer or autotransformer, of any voltage level, with single or double circuit breaker. IEC 61850 Certificate ed 2 Suitable for phase-shifting transformers, Scott or Leblanc transformers. The IDF is applicable as a differential protection for reactances, SVCs, generators and motors. A fast differential unit, complemented by advanced blocking and harmonic restraint logics and an external [...]

ZLF – Distance Protection Relay IEC 61850 2

Subcycle distance protection suitable for lines of any voltage level with any configuration: overhead or underground, single or parallel circuits The ZLF includes all the protection, control and measurement functions for a power line, with or without series compensation, single or double breaker, and single pole or three pole tripping. Eight distance zones with Mho or quadrilateral characteristic, complemented with [...]

RTF – (AVR) Automatic Voltage Regulator – IEC 61850

Automatic voltage regulation (AVR) for up to 5 power transformers in parallel. Parallel transformer regulation by master-slave, circulating current and negative reactance methods. It also includes line voltage drop compensation. AVR Key Features Voltage Regulation. Maintains the transformer output voltage at the setpoint value, calculating the difference between the measured voltage and the setpoint voltage and comparing it with a threshold [...]

ZIV Protection relays by application

Feeder Protection

IRV – Feeder Protection (“V” Platform)

The IED generically called IRV integrates protection, control and metering functions for a great variety of applications, such as feeders, machine lines, frontier points, etc These IEDs use digital technology based on a potent microprocessor and DSPs that incorporate Directional and Non-Directional Overcurrent Protection, Overvoltage, Undervoltage, Over / Underfrequency, Synchronism, Power Inversion, Thermal Image, Recloser function and others. IRV systems [...]

IRL – Compact Feeder Protection

Multifunction Protection for MV Power Systems & Industry. For Grounded or Ungrounded Schemes Compact Feeder Multifunction solution for MV switchgear, with Load Shedding Function to ensure the stability of the system, Back-Up performing capability in HV lines and powerful built-in Control Logic Module. Key Features 50/51 - Phase O/C. 50N/51N - Neutral O/C. 50G/51G G- round O/C. 50Ns/51Ns - Sensitive [...]

IRF – Modular Feeder Protection Relay IEC 61850 2

Protection relay for distribution feeders, transformers and generators, transmission line backup, and BCU (bay control unit). IEC 61850 Certified ed 2. The IRF is applicable in any substation scheme. The protection functions are suitable for any neutral configuration, solid-grounded, resistor grounded, Petersen coil compensated, and isolated. The powerful programmable logic features selectable execution times according to the required priority (2 [...]

Line Protection

ZLV – Distance Protection (“V” Platform)

Selective, Fast and Reliable Protection in Overhead Lines and Cables ZLV relays provide distance protection for power transmission and subtransmission lines. They feature a complete package of functions and protection schemes offering selective, quick and reliable protection both for underground and overhead lines, with or without series compensation. Key features Single or Double-breaker bay protection. 21/21N Distance protection for ground [...]

ZLF – Distance Protection Relay IEC 61850 2

Subcycle distance protection suitable for lines of any voltage level with any configuration: overhead or underground, single or parallel circuits The ZLF includes all the protection, control and measurement functions for a power line, with or without series compensation, single or double breaker, and single pole or three pole tripping. Eight distance zones with Mho or quadrilateral characteristic, complemented with [...]

DLF – Line Differential Protection Relay IEC 61850

Line Differential Protection with Distance Backup. Both functions are suitable for lines of any Voltage Level, Overhead or Under Ground, Multiterminal, and Single or Parallel Circuits The DLF includes all the protection, control and measurement functions for a power line with or without Series Compensation, Single Breaker, and Single or Three Pole Tripping. The fast Differential Unit, complemented by the [...]

Transformer Protection

IDF – Transformer Protection Relay IEC 61850 2

Protection relay for two or three winding transformer or autotransformer, of any voltage level, with single or double circuit breaker. IEC 61850 Certificate ed 2 Suitable for phase-shifting transformers, Scott or Leblanc transformers. The IDF is applicable as a differential protection for reactances, SVCs, generators and motors. A fast differential unit, complemented by advanced blocking and harmonic restraint logics and an external [...]

IDV – Transformer Differential Protection

A Complete solution for Transformer Bays and other Machines IDV Relays include all Protection, Control and Measurement functions for Two or Three Winding transformers or autotransformers at any voltage level, with Single or Double Breaker. It may also be applied as differential protection in Reactances, Generators or Motors. Key Features Solid State Trip Outputs. Differential Unit with Percentage and Harmonic [...]

Busbar Protection

DBC – Busbar Protection Central Unit

Distributed Low-impedance Busbar Differential + Breaker Failure Protection (Central Unit) DBN Systems consists of one Differential Central Unit (DBC), and a Bay IED (DBP) per line on the bus. The DBN System can be configured to protect any substation scheme (singlebus, double-bus, transfer bus schemes, sectionalized schemes, etc.) up to 4 buses and 28 lines. Additionally, it is also possible [...]

DBP – Busbar Protection Bay Unit

Distributed Low-impedance Busbar Differential + Breaker Failure Protection (Bay Unit) DBN Systems are suitable for substations with up to four or five buses (depending on model), and up to 14, 28 or 32 current bays. Up to 4 bus voltage DBP type bays are available as a function of the selected model Key Features Overcurrent and undervoltage supervision units. Breaker [...]

DCV – Busbar Protection Bay Unit + Capacitor Bank Protection

All protection, control and metering functions required by any Capacitor Bank or Reactance Bay, featuring also complete Bus Differential Bay Unit functionality DCV systems are designed for Substations where it has been planned or it can be planned in the future the installation of the Bus Differential Protection Unit. The reduction of the cost, due to the integration of the [...]

DRV – Busbar Protection Bay Unit + Feeder Protection

Integral Protection and Control Bay Unit as Terminal of a Distributed Bus Differential Protection The IED generically called DRV integrates protection, control and metering functions for a great variety of applications, such as feeders, machine lines, frontier points, etc. DRV systems are designed for medium voltage lines, transformers, generators and feeders in general where a complete protection of the position [...]

IRV-Z – Bus Differential / Feeder Protection Bay Unit

The IRV-Z integrates Protection, Control and Metering functions with the complete functionality of a Bus Differential Bay Unit IRV-Z systems are designed for medium voltage lines, transformers, generators and feeders in general where a complete protection of the position is required, in Substations where it has been planned or it can be planned in the future, the installation of the [...]

DBF – Distributed Busbar Protection

Distributed busbar differential protection for up to 24 bays and 4 busbars, with ethernet HSR or PRP redundant communication between the central and bay units, based on process bus IEC 61869-9 SV, IEC 61850-8-1 GOOSE and PTP IEC 61850-9-3. General features of central and bay units: Powerful programable logic. 2000 event log. Up to 100 oscillography seconds. Alphanumeric or graphic [...]

Breaker Protection

6MCV – Bay Control Unit

The ideal Complement to Protective Relays for Intelligent Management of Analog and Digital Signals 6MCV relays are the ideal support of protection terminals for intelligent management of a great number of analog and digital signals. There are provided both with local and remote control, graphic bay location, logics and communications. Key Features Programmable Logic. Versatility in communications. Supervision of switching [...]

6IRV – Bay Control and Breaker Management Unit

Integrated Solution for Control, Monitoring and Protection for Simple or Double Breaker Bays The IED generically designated as 6IRV combines all the necessary functions required for full control, supervision and protection of a breaker. These IEDs incorporates Breaker Failure protection, Recloser and Synchronism Supervision. Also, 6IRV relays incorporate backup protection units like Overcurrent, Over/Undervoltage, Over/Underfrequency as well as Control and [...]

Capacitor Bank & Reactance Protection

BCV – Capacitor Bank Protection IED

A Complete, Reliable and Economic Solution for most Capacitor Bank Protection and Control Applications BCV relays incorporate protection, control, and metering functions for capacitor bank and reactance applications combining the specific protection functions with complete bay protection in a single IED. Key Features Based on the latest digital technology and designed to provide maximum flexibility and versatility. Voltage unbalance protection [...]

IRF – Modular Feeder Protection Relay IEC 61850 2

Protection relay for distribution feeders, transformers and generators, transmission line backup, and BCU (bay control unit). IEC 61850 Certified ed 2. The IRF is applicable in any substation scheme. The protection functions are suitable for any neutral configuration, solid-grounded, resistor grounded, Petersen coil compensated, and isolated. The powerful programmable logic features selectable execution times according to the required priority (2 [...]

Disturbance Recording.    Automatic Voltage Regulator (AVR)

6RTV – Automatic Voltage Regulator (“V” Platform)

AVR - Transformer Automatic Voltage Regulation and Control 6RTV units integrate power transformer voltage regulation (AVR) via tap changer control, maintaining the voltage within constant. It is of application when voltage must be kept within constant values with the transformer in operation. Key Features Automatic Voltage Controller (AVR) Tap changer. Remote Voltage Set-point Value Control. Current Compensation. Reactive Current Compensation. [...]

8PRN – Disturbance Recorder

A Compact Solution featuring up to 384 samples per cycle with Ethernet Accesibility 8PRN recorders cover oscillographic applications requiring very high performance signal acquisition and data storage, where the recording functions of digital relays do not meet the application requirements. A typical use of these recorders is in power generation where the frequency spectrum of the relevant events require extremely [...]

RTF – (AVR) Automatic Voltage Regulator – IEC 61850

Automatic voltage regulation (AVR) for up to 5 power transformers in parallel. Parallel transformer regulation by master-slave, circulating current and negative reactance methods. It also includes line voltage drop compensation. AVR Key Features Voltage Regulation. Maintains the transformer output voltage at the setpoint value, calculating the difference between the measured voltage and the setpoint voltage and comparing it with a threshold [...]

Industrial Relays

Project Engineer – Software Systems (UK)

Job description These roles are based in ZIV Automation UK, located in Newcastle-upon-Tyne, UK. These are a key roles in a new area for the business delivering IT solutions to customers. The candidates must have relevant experience in integrating and delivering software systems, including requirements management, test environments & platforms, system integration, test, QA, and release process. The candidates must [...]

Projects Manager (UK)

 

Software Systems Engineer UK (Remote)

Job description This position can be a remote position for systems delivered through ZIV UK and will require interaction and support for end customers. It is a key role in a new area for the business delivering IT solutions and will be responsible for streamlining the test, delivery, and support of these software systems. This includes the implementation of automated [...]

ZIV e-NET tool 

One tool for all IEDs & Systems: it provides a friendly interface to program all the IED features and settings, and access all the recorded information. Intelligent Electronic Devices (IEDs); Substation Central Units (RTUs); Switches; Terminal Servers;Merging Units; RIO modules Multiprotocol (IEC 61850, DNP3, IEC 101/104, Modbus). Graphic Interface (drag & drop mode). Graphic Editor for Logics (IEC 31131, function block diagram). [...]

SW3 L2/L3 PTP – Substation Switch (rack 19″)

IEC-61850 Ethernet Substation Switch The SW3 is a Gigabit/Fast Ethernet substation switch specially designed to perform switching functions (L2) and IPv4 routing functions (L3).  Level 2 capabilities enable deployment of big scale LANs when the main requirements are: port density, switching performance, and logical complexity. Level 3 capabilities offer routing functionality between two or more configured VLANs, with each VLAN being [...]

OPU-1 – Universal PLC Terminal for HV lines.

A Universal Power-Line Carrier (PLC) Terminal that integrates a great variety of interfaces that allow the simultaneous transmission of analog and digital channels including different possibilities for the transmission of teleprotection signals. Two available modulation schemes for the transmission of digital channels (QAM & OFDM). Key features Complies with IEC 60495 and IEC TS 61000-6-5 standards. Frequency range of 36 [...]

TPU-1 – Universal Teleprotection Terminal for HV Lines

Highly flexible configuration for diverse applications, compatible with IEC 61850 ed 2 standard. It can be used in any available communication media. Key features Complies with IEC 60834-1 and IEC TS 61000-6-5 standards. Complies with ANSI IEEE C37.90.1 and ANSI IEEE C37.90.2 standards. Compatible with IEC 61850 standard. One or two analog and/or digital channels. With two channels, it can [...]

RTF – (AVR) Automatic Voltage Regulator – IEC 61850

Automatic voltage regulation (AVR) for up to 5 power transformers in parallel. Parallel transformer regulation by master-slave, circulating current and negative reactance methods. It also includes line voltage drop compensation. AVR Key Features Voltage Regulation. Maintains the transformer output voltage at the setpoint value, calculating the difference between the measured voltage and the setpoint voltage and comparing it with a threshold [...]

Products

A complete portfolio of in-house developed equipment and systems for Smart Energy Networks You can write a keyword or use the filters to find the products that match your searching criteria.   Search Product {{ props.row.ied }}

Substation Automation Systems

Search Product {{ props.row.ied }} 1 Feeder Protection IRF – Modular Feeder Protection Relay IEC 61850 2 IRL – Compact Feeder Protection IRV – Feeder Protection (“V” Platform) Line Protection DLF – Line Differential Protection Relay IEC 61850 ZLF – Distance Protection Relay IEC 61850 2 ZLV – Distance Protection (“V” Platform) DLX – Line Differential Protection (“X” Platform) Transformer [...]

Trip Coil Supervision Relay.         Machine Protection Relays

Library

Please Login to download secured files (Manuals & Software applications). If you don’t have a User Name and Password yet, please go to the Registration Area. Substation Automation Systems Protections Feeder Protection IRF – Modular Feeder Protection Relay IEC 61850 2 Instructions Manual: M0IRFA1807Iv25 (E) M0IRFA1807Pv04(PT) – rev 04.2022 Data Sheet:  H0IRFA1807Iv03 (E)   H0IRFA2203Fv00 (F)  H0IRFAA2203Pv00 (PT)– rev 04.2022 IRL [...]

ZIV

ZIV was founded in 1993 to provide innovative technological solutions for the electric energy industry It is a technology partner that offers a broad portfolio of smart grid solutions To Utilities, EPCs & IPPs across the globe With the support of a team of 400 professionals located in 10 sites Committed to R&D and to continuous improvement as expressed in [...]

News and Events

News + Protection of MV Distribution Networks July 19, 2022August 7, 2022 Impact of Renewable Energy Sources on the Protection of MV Distribution Networks ABSTRACT Given the speed of renewable energy... + Advanced Phase Selection for Severe Line Protection Requirements July 1, 2022August 7, 2022 ABSTRACT This paper describes a new phase selector that operates reliably during many unfavorable conditions, [...]

5CTM – PRIME PLC smart meter | Single phase

A PRIME PLC smart meter that provides robust automated meter reading solutions in large smart grid deployments Key features Bidirectional communication over PLC (PRIME model and G3 model. Open Standards with ZIV technology). Robust automated meter reading (AMR) solutions for distribution companies. Energy measurement, load profile and Time of Use (TOU) features Data reading, configuration setting changes, date synchronization and operation [...]

Data concentrator units

ZIV DCUs include an advanced low voltage supervisor and Powerline Communication (PLC) controller with network monitoring functions, in addition to remote smart meter management functions. Smart meter management The main function of a Data Concentrator Unit (DCU) is to continuously poll the metering devices connected to the same secondary substation where it is connected. The retrieved meter data is stored in the DCU and periodically sent [...]

Electric Vehicle AC Charging Solutions

Electric Vehicle AC chargers; for domestic and public road environment; single socket and multisocket solutions. The range of ZIV PRV charging solutions has been evolving since 2010 to meet the different needs of an expanding market. We present a set of solutions developed in accordance with international regulations that integrate ZIV own technology in control, communications and measuring systems.  

5CTD – VT and CT operated polyphase meter

Key features Bidirectional active & reactive energy measuring, load profile recording, time of use (TOU) tariffs, maximum demand, Bidirectional communications are possible by means of the IEC60870-5-102 protocol which enables not only meter reading but also configuration changes, synchronization etc. Related Metering Solutions

5CTE – Three phase electronic meter

High precision meter for grid measures,  large end user frontier points, and any other type of frontier at which high accuracy measurement of generated, consumed or exchanged energy between the different parties involved is required Energy measurement, load profile and Time of Use (TOU) features, as well as local and remote communication capabilities. Related Metering Solutions

4CCT – Smart Metering Data Concentrator for secondary substations

++ A metering data concentrator unit (DCU) that includes an advanced low voltage supervisor and Powerline Communication (PLC) controller with network monitoring functions, in addition to remote smart meter management functions.   Key features Smart meter management Network monitoring (Advanced low voltage supervision function) PLC communications controller (implements protocols widely accepted in smart metering such as DLMS to exchange readings and web services communicate with the [...]

4TGB – Compact metering data concentrator with cellular communications

A metering data concentrator specifically designed for pole mounted transformers. Its compact, easy-to-install and ruggedized design makes 4TGB the preferred solution for meter data management systems in dispersed areas with medium or low density of consumers. The 4TGB integrates all functions required by a Distribution Network Operator (DNO) to manage its smartmeter installed base. The 4TGB also includes a built-in [...]

MV

Project Engineer – Software Systems (UK)

Job description These roles are based in ZIV Automation UK, located in Newcastle-upon-Tyne, UK. These are a key roles in a new area for the business delivering IT solutions to customers. The candidates must have relevant experience in integrating and delivering software systems, including requirements management, test environments & platforms, system integration, test, QA, and release process. The candidates must [...]

Projects Manager (UK)

 

Software Systems Engineer UK (Remote)

Job description This position can be a remote position for systems delivered through ZIV UK and will require interaction and support for end customers. It is a key role in a new area for the business delivering IT solutions and will be responsible for streamlining the test, delivery, and support of these software systems. This includes the implementation of automated [...]

ZIV e-NET tool 

One tool for all IEDs & Systems: it provides a friendly interface to program all the IED features and settings, and access all the recorded information. Intelligent Electronic Devices (IEDs); Substation Central Units (RTUs); Switches; Terminal Servers;Merging Units; RIO modules Multiprotocol (IEC 61850, DNP3, IEC 101/104, Modbus). Graphic Interface (drag & drop mode). Graphic Editor for Logics (IEC 31131, function block diagram). [...]

SW3 L2/L3 PTP – Substation Switch (rack 19″)

IEC-61850 Ethernet Substation Switch The SW3 is a Gigabit/Fast Ethernet substation switch specially designed to perform switching functions (L2) and IPv4 routing functions (L3).  Level 2 capabilities enable deployment of big scale LANs when the main requirements are: port density, switching performance, and logical complexity. Level 3 capabilities offer routing functionality between two or more configured VLANs, with each VLAN being [...]

OPU-1 – Universal PLC Terminal for HV lines.

A Universal Power-Line Carrier (PLC) Terminal that integrates a great variety of interfaces that allow the simultaneous transmission of analog and digital channels including different possibilities for the transmission of teleprotection signals. Two available modulation schemes for the transmission of digital channels (QAM & OFDM). Key features Complies with IEC 60495 and IEC TS 61000-6-5 standards. Frequency range of 36 [...]

TPU-1 – Universal Teleprotection Terminal for HV Lines

Highly flexible configuration for diverse applications, compatible with IEC 61850 ed 2 standard. It can be used in any available communication media. Key features Complies with IEC 60834-1 and IEC TS 61000-6-5 standards. Complies with ANSI IEEE C37.90.1 and ANSI IEEE C37.90.2 standards. Compatible with IEC 61850 standard. One or two analog and/or digital channels. With two channels, it can [...]

RTF – (AVR) Automatic Voltage Regulator – IEC 61850

Automatic voltage regulation (AVR) for up to 5 power transformers in parallel. Parallel transformer regulation by master-slave, circulating current and negative reactance methods. It also includes line voltage drop compensation. AVR Key Features Voltage Regulation. Maintains the transformer output voltage at the setpoint value, calculating the difference between the measured voltage and the setpoint voltage and comparing it with a threshold [...]

Products

A complete portfolio of in-house developed equipment and systems for Smart Energy Networks You can write a keyword or use the filters to find the products that match your searching criteria.   Search Product {{ props.row.ied }}

Substation Automation Systems

Search Product {{ props.row.ied }} 1 Feeder Protection IRF – Modular Feeder Protection Relay IEC 61850 2 IRL – Compact Feeder Protection IRV – Feeder Protection (“V” Platform) Line Protection DLF – Line Differential Protection Relay IEC 61850 ZLF – Distance Protection Relay IEC 61850 2 ZLV – Distance Protection (“V” Platform) DLX – Line Differential Protection (“X” Platform) Transformer [...]

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