The universal protection device is especially designed with the highest degree of flexibility within one device type for protection, control and automation in distribution, sub-transmission and transmission networks with 3-pole tripping.

Applications:

• One device type capable for protection and automation of all types of feeders, lines, transformer, motors, generators, and capacitor banks, with 3-pole operation
• One device type capable for the following main protection functionalities:
  overcurrent protection, distance protection, line differential protection, transformer differential protection, motor protection, generator protection, and capacitor bank protection and all associated automation functions.

Scope and adoption of Functionality

• The universal device can be ordered with a license file to already support the desired specific application
• Alternatively, the universal device can be ordered with a license file supporting only a minimum base functionality (with minimum price), not yet containing main protection functionality (for stock and spare part scenarios)
• The universal device functionality can be adopted / expanded (via the device license file) by the user at any time within minutes, when the application is determined or changing

Features

• Directional and non-directional overcurrent protection of feeders, with additional functions
• Distance protection with a wide variety of excitation methods
• Differential protection of overhead lines and cables of all lengths with up to 6-line ends fed from one or more sides
• Transformer differential protection for two- and multi-winding transformers with versatile, additional protection functions
• Motor protection against short circuits, all kinds of thermal overload, unbalances, and instabilities, and blocked or idle driving conditions
• Protection of generators, power units and synchronous motors
• Directional detection of ground faults of any type in isolated or arc-suppression-coil grounded power systems
• Protection functions for capacitor banks, such as current-unbalance, peak overvoltage, overcurrent, overload, or differential protection
• Arc protection with a tripping time of 3-4 ms for protection of assets and personal – Safety first
• Overvoltage and undervoltage protection, with all methods
• Frequency protection and frequency-change protection
• Automatic frequency unloading for load shedding in case of underfrequency, considering changed feed-in conditions due to decentralized power generation
• Power protection, with all methods
• Synchronization of 2 power grids for up to 4 synchronization points
• Automatics, controls, synchrocheck and protection against switching faults
• Voltage controller function for power transformers (two-winding and three-winding transformers)
• Phasor Measurement Unit (PMU) for detection of Synchrophasor measured values and transmission with standard IEEE C37.118 protocol
• Protection data communication over different distances and physical media, such as fiber optic cables, two-wire connections and communication networks

• Detection of current and voltage signals up to the 50th harmonic with high accuracy for selected protection functions and operational measured values
• Powerful fault recording (buffer for a max. record time of 80 sec. at 8 kHz or 320 sec. at 2 kHz)

• High range of inputs and outputs using expansion modules for up to 2x19” rack device
• Redundant power supply optional

• Ruggedized design and conformal coated electronical boards for high electric strength and installations in harsh environments - as standard
• Easy integration and retrofit of arc protection, transient ground-fault detection, transformer control, PMU and process bus for efficient network operation
• Single-Line representation selectable in small or large display
• Graphical logic editor to create powerful automation functions and switching sequences in the device according to IEC 61131-3 standard
• Integrated electrical Ethernet RJ45 for Engineering PC and IEC 61850 (reporting and GOOSE)
• Two slots for optional plug-in modules for serial and/or Ethernet-based protocols
• Optional communication module with further 3 slots plug-in modules for serial and/or Ethernet-based protocols and full availability of the communication ring when the switchgear is enabled for servicing operations by means of separate auxiliary power supply of the communication module
• Large number of serial and Ethernet-based protocols: IEC 60870-5-103, DNP3 serial and TCP, Modbus TCP, IEC 60870-5-104, PROFINET, and IEC 61850 Ed1 and Ed2.1
• Reliable data transmission via Ethernet redundancy protocols PRP and HSR, for process bus and high-availability station communication
• Serial protection data communication via optical fibers, two- wire connections and communication networks (SDH networks, MPLS electrical power systems, for example using IEEE C37.94, and others), including automatic switchover between ring and chain topology.
• IoT interface for integration in cloud-based systems
• Easy, fast and secure access to device via Web-Browser from the device: Download of logs as files according to IEEE C37.239 COMFEDE with https connection
  Fault recording: Download, delete and triggering of fault records
  Displaying of Single line diagrams and device display pages, indications, vector diagrams of energizing quantities
  Parameterization: Change of settings within an active setting-group
• Time Synchronization with IEEE 1558v2/PTP, PPS, IRIG-B
• Role-based Access Control (RBAC) with central user management in RADIUS/Active Directory
• Protection against unauthorized access to device through inbuilt RADIUS authentication and authorization option
• Standard roles and rights in adherence to standards and guidelines such as IEC 62351-8, IEEE 1686 and BDEW White paper
• Syslog support for central recording and logging of security-relevant events and alarms in accordance with the requirements and regulations such as IEEE 1686, IEC 62443 and BDEW Whitepaper
• Individual Assignment of write and read permission for each device port
• Auxiliary functions for simple tests and commissioning

Housing

Robust hardware in the form of a closed housing for maximum strength in terms of voltage, EMC, climate and mechanical stress in accordance with the IEC 60255 product standard and an extended temperature range of -25°C to + 70°C.

Additional conformal coating of the electronic components for maximum availability even under extreme environmental conditions

Housing width 1/3 x 19 inches to 2/1 x 19 inches with large, small or without display. Flexible adjustable and expandable I/O quantity structure within the scope of the system with 1/6 expansion modules.

On-site control unit

Colored display for text and display to show bay control images and for measured values ​​and display of event lists.

• 12-part keypad in combination with 4 navigation keys and 2 keys for quick navigation and display.
• 2 LEDs for the status of the current device operating status.
• 8 LEDs for quick and targeted process feedback. Labeling of the LED directly in the display.
• USB interface for fast data transfer accessible from the front.

Type of housing:

X Flush mounting

O Surface mounting

Power Supply:

X Standard

O Redundant

Operation panel:

X Integrated

O Detached HMI with=1/3 + 2,5 m or 5 m, only for surface mounting housing

Type of display:

O No display

X Standard Display

O Large Display

Key switch:

X without

O with, only for flush mounting housing

Front design:

X Standard

O USA

O China

LEDs/Push buttons:

X 16 LEDs

O 32 LED

O 48 LED

O 64 LED

O 80 LED

O 8 Push buttons + LEDs

Binary inputs and outputs / measuring inputs

The number of inputs and outputs is flexible and expandable with 1/6 expansion modules plugged on the 1/3 base unit of a modular system.

1/3 base units:

X 11 BI, 9 BO, 4 CT, 4 VT, 1/3 x 19 inches

O 7 BI, 7 BO, 8 CT, 1/3 x 19 inches

O 7 BI, 14 BO, 4 CT, 4 VT, 1/3 x 19 inches

Rated auxiliary voltage

O DC 24 to 48 V DC

X DC 60 to 250 V, AC 100V - 230 V

Communication

The base unit has two free slots on the rear for plug-in modules for communication or special applications. The base unit is expandable with a communication module with up to three further slots for plug-in modules.

• USB operator interface on the front for notebook or PC
• D-Sub 9-interface, rear for time synchronization
• Integrated Ethernet interface
  X for Engineering Tool
  O for Engineering Tool and IEC 61850 Reporting and GOOSE
  O for Engineering Tool and IEC 61850 Reporting
• Communication module, max 1 for each device with additional 3 slots plug-in modules for serial and/or Ethernet-based protocols and full availability of the communication ring when the switchgear is enabled for servicing operations by means of separate auxiliary power supply of the communication module
  X without
  O with one communication module for up to three additional plug-in modules
• Serial Plug-In modules for asynchronous serial protocols like IEC 60870-5-103, DNP for system port
  X Without
  O electrical, 1 interface
  O electrical, 2 interfaces
  O optical 820 nm, 1.5 to 2km ,1 interface
  O optical 820 nm, 1.5 km to 2km, 2 interfaces
• Serial Plug-in modules for protection interface for unidirectional data exchange

X without

O optical 1300 nm, max. 24 km via 2 single mode optical fibers or max. 4 km via 2 multimode optical fibers, 1 interface

O optical 1300 nm, max. 24 km via 2 single mode optical fibers or max. 4 km via 2 multimode optical fibers, 2 interfaces

O optical 1300 nm, max. 60 km via single mode optical fiber, 1 interface

O optical 1300 nm, 60 km via single mode optical fiber, 2 interfaces

O optical 1550nm, 100 km via single mode optical fiber, 1 interface

O optical 1550nm, 100 km via single mode optical fiber, 2 interfaces

• Serial Plug-in modules for protection interface for bidirectional data exchange

X without

O optical 1300 nm, max. 40 km via one single- mode optical fiber (with integrated fiber-optic multiplexer, 1 interface)

O optical 1300 nm, max. 40 km via one single- mode optical fiber (with integrated fiber-optic multiplexer, 2 interfaces)

O optical 1550 nm, max. 40 km via one single- mode optical fiber (with integrated fiber-optic multiplexer, 1 interface)

O optical 1550 nm, max. 40 km via one single- mode optical fiber (with integrated fiber-optic multiplexer, 2 interfaces)

• Plug-in Modules for Ethernet

X Without

O 2x RJ45 electrical, configurable with or without integrated switch with max. distance of 20 meters

O 2x optical duplex LC 1300 nm interface, configurable with or without integrated switch. The maximum optically permitted distance via 50/125 µm or 62.5/125 µm multimode optical fibers is 2 km.

O 2x optical for process bus, duplex LC 1300 nm interface, configurable with or without integrated switch. The maximum optically permitted distance via 50/125 µm or 62.5/125 µm multimode optical fibers for up to 2 km.

O 2x optical for process bus, duplex LC 1300 nm interface, configurable with or without integrated switch. The maximum optically permitted distance via 50/125 µm or 62.5/125 µm multimode optical fibers for up to 24 km.

The optical transmission and receiving level are measured in the module and can be displayed.

In accordance with the selected communication interface the required communication protocol should be easily activated via the engineering tool depending on the selected type of serial or Ethernet plug-in module

• Serial protocols
  IEC 60870-5-103
  DNP3 serial
• Ethernet protocols
  IEC 61850 Edition 2.1
  IEC 61850-8-1 Client-Sever Communication
  IEC 61850-8-1 GOOSE
  IEC 61850-9-2 Merging Unit
  IEC 61850-9-2 Process-Bus Client
  IEC 60870-5-104
  DNP3 TCP
  Modbus TCP
  PROFINET IO
  IEEE C37.118 protocol (Synchrophasor, PMU)
• Additional Ethernet protocols and services
  DHCP, DCP (with automatic IP configuration)
  Line mode
  RSTP, PRP, HSR Ethernet ring redundancy
  SNTP time synchronization via Ethernet
  SNMP V3 network management protocol
  IEEE 1588v2 PTP protocol via Ethernet

Plug-in modules for various applications

O Measuring-transducer module with four 20-mA analog inputs

O Arc protection module with up to 3 optical point or line sensors per arc protection plug-in module, up to max. 15 sensors for modular devices
X Point sensors with line lengths from 3 m to 35 m.
O Line sensors detect arcs along the entire sensor length.
  Lengths from 5 m to 40 m are available.
  Line sensors are connected via a line to the arc protection module.

Functionality

The protection device is equipped with the following protection functions:

X Basic functions

• Overcurrent protection, ground (50N/51N TD)
• Instantaneous tripping at switch onto fault SOTF
• Temperature supervision (38)
• Temperature acquisition via communication protocol
• 3-pole tripping
• Lockout (86)
• Standard measured values
• Fault recording of analog and binary signals
• Monitoring and Supervision
• Logic editor (CFC)
• Broken-wire detection for differential protection
• Switching statistic counters

Optional functions

O Distance protection distribution (21/21N)

O Distance protection (21/21N)

O Automatic adjustment of the synchronization voltage when using a tap changer

O Impedance protection for transformers (21T)

O Overexcitation protection (24)

O Synchrocheck, synchronization function (25)

O Synchronization function with balancing commands (25)

O Paralleling function 1.5 channel for each sync. location (up to 4 sync. locations)(25)

Paralleling function 2 channel for each sync. location (up to 4 sync. locations)(25)

O Undervoltage protection "3-phase" or "positive-sequence system V1" or "universal Vx" (27)

O Rate-of-voltage-change protection (27R,59R)

O Undervoltage-controlled reactive power protection

O Power protection active/reactive power (32,37)

O Reverse-power protection (32R)

O Undercurrent (37)

O Power plant disconnection protection (37)

O Underexcitation protection (40)

O Negative-sequence system overcurrent protection (46)

O Unbalanced-load protection (thermal) (46)

O Negative-sequence system overcurrent protection with direction (46)

O Overvoltage protection, “negative sequence system V2” or “negative-sequence V2/positive-sequence V1” (47)

O Starting-time supervision for motors, locked rotors (48/14)

O Thermal overload protection (49)

O Thermal overload protection for RLC filter elements of a capacitor bank (49)

O Hot spot calculation (49H)

O Thermal overload rotor protection (motor) (49R)

O Field-winding overload protection (49F)

O Stator overload protection with cold-gas consideration (49CS CG)

O Rotor overload protection with cold-gas consideration (49RS CG)

O Overcurrent protection, phases (50/51TD)

O Instantaneous high-current tripping (50HS)

O Overcurrent protection with positive-sequence current I1 (50/51TD)

O Overcurrent protection, 1-ohase (50N/51N TD)

O Sensitive ground-current detection for systems with resonant or isolated neutral systems incl. a)3I0>, b) admittance Y0>, c)3I0-harm> (50Ns/51Ns)

O Ground-fault detection via pulse pattern detection:
  Note: This stage additionally requires the function 50Ns/51Ns or 67Ns

  “Sensitive ground-fault detection for systems with resonant or isolated

  neutral”

O Intermittent ground-fault protection

O Overcurrent protection for RLC filter elements of a capacitor bank

  (50/51 TD)

O Shaft-current protection (50GN)

O Inadvertent energization protection (50/27)

O Direct-current/ direct-voltage protection (50 N DC, 27, 59F DC

O Startup overcurrent protection (50)

O Circuit breaker failure protection, 3-pole (50BF)

O Circuit breaker restrike protection (50RS)

O Load-jam protection (50L)

O Voltage dependent overcurrent protection (51V)

O Overvoltage protection "3-phase" or "zero-sequence system V0" or

  "universal Vx"(59/59N)

O Peak overvoltage protection, 3-phase for capacitors (59C)

O Neutral-point Voltage-Unbalance Protection (59NU)

O Stator ground-fault protection (non-directional, directional) (59N, 67Ns)

O Stator ground-fault protection with 3^rd harmonic (27TH, 59TH, 59THD)

O Turn-to-turn fault protection (59N IT)

O Current-unbalance protection for capacitor banks (60C)

O Voltage-comparison supervision (60)

O Stator ground-fault protection 100% (20Hz) (64S)

O Rotor ground-fault protection (64F, frated)

O Rotor ground-fault protection (1-3 Hz) (64F, 1-3Hz)

O Restart inhibit for motors (66)

O Directional overcurrent protection, phases (67)

O Directional overcurrent protection, ground (67N)

O Directional overcurrent protection for ground faults in grounded systems(67N)

O Directional sensitive ground-fault detection for systems with resonant or

  isolated neutral incl. a) 3I0>, b) V0>, c) Cos-/SinPhi, d) Transient ground

  fault fct, e)Phi(V,I), f)admittance (67Ns)

O Directional stage with a harmonic

  Note: This stage additionally requires the function 50Ns/71Ns or 67Ns

  "Sensitive ground-fault detection for systems with resonant or isolated

  neutral"

O Direct Intermittent ground-fault protection

O Power-swing blocking (68)

O Trip-circuit supervision (74TC)

O Closed-circuit supervision (74CC)

O Out-of-step protection (78)

O Automatic reclosing, 3-pole (79)

O Frequency protection "f>" or "f<" or "df/dt" (81)

O Abnormal frequency protection (81AF)

O Under Frequency Load Shedding (81U)

O Vector-jump protection

O Teleprotection for distance protection (85/21)

Ö Weak or no infeed echo and tripping (85/27)

O Teleprotection for differential ground fault protection (85/67N)

O Transformer differential protection (87T)

O Restricted ground-fault protection (87N T)

O Motor differential protection (87M)

O Generator differential protection (87G)

O Differential protection, capacitor bank (87C)

O Voltage differential protection, capacitor bank (87V)

O Line differential protection for 2-line ends (87L)

O Line differential protection for more than 2-line ends (87L)

O Line differential protection including power transformer (87L/87T)

O Line differential protection option with charging-current compensation

O Differential protection for special transformers (87T)

O Transformer differential protection for phase angle regulating transformer

  (single core) (87T)

O Stub-fault differential protection for breaker-and-a-half scheme (87 STUB)

O Automatic Voltage controller for transformer(90V)

O Automatic Voltage controller for grid coupling transformer (90V)

O Fault locator – single ended

O Fault locator “plus” - double ended

O Synchrophasor measurement PMU

O Arc-protection (only with plug-in module ARC-CD-3FO)

O Measured values - extended: Min, Max, Avg

O PQ Basic measured values: THD and harmonics, THT voltage aggregation values

O PQ-Basic measured values: Voltage unbalance

O PQ-Basic measured values: Voltage variations – voltage dips, swells and

  interruptions

O PQ-Basic measured values: VTDD – Total Demand Distortion

O CFC arithmetic

O Circuit breaker wear monitoring

O Switching sequences function

O Inrush current detection

O 2nd harmonic detection

O External trip initiation

O Protection interface serial up to 6 ends

  Note: Plug-in module for communication is required

O Slow-scan recorder

O Process Bus Client Protocol, max. 1 (PB Client)

  Note: Dedicated Ethernet plug-in module is required

O IEC 61850-9-2 Merging Unit stream, max. 4 (MU)

  Note: Dedicated Ethernet plug-in module is required

O Cyber Security: Role Base Access Control (RBAC)

O Cyber Security: IEEE 802.1x based network authentication