Teleprotection / Digital Tele Protection (DTPC) / Digital Protection Signalling Equipment (PSE)
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Description VCL-TP, Teleprotection / Digital Tele Protection Coupler (DTPC) / Digital Protection Signalling Equipment (PSE) is an extremely rugged, sub-station hardened equipment that has been designed to operate very reliably even under the most demanding conditions and harsh environments. The VCL-TP, Teleprotection Equipment provides up to 8, 2-way independent “binary command” channels which can be operated selectively, or in a combination, or simultaneously over a diverse range of communication interfaces. Transmission interface options include:
Command Transfer Time (including relay operating time)
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Features and Benefits
- Bi-directional transmission of 8 Binary Command Inputs and 8 Binary Command Outputs
- User programmable to support “Direct Tripping”, “Permissive Tripping” and “Blocking” Protection Schemes
- Extremely reliable hardware and firmware
- Uses standard IEEE C37.94 protocol and coding for error resistant transmission
- Meets IEC-60834-1 specifications for dependability and reliability
- 1+1 Power Supply Options. 48V DC, 110V DC, 220V DC and 250V DC Input Power Supply Options
- Optional 8 Input and 8 Output Trip Counter Display with 8 user assignable external relay alarm outputs
- IRIG-B / NTP time synchronization options to synchronize the equipment time with an external IRIG-B or NTP source for accurate event time-stamping.
- SNMPv2 Monitoring and NMS / SNMPv3 available as optional
- Smart Grid Ready:
- Sub-station Interfaces: Binary Commands, or may be directly interfaced to IEC-61850 Protection Relays using GOOSE messages
- Network Interfaces: E1, IEEE 37.94, Optical and IP/MPLS / MPLS-TP Interface Options
- Available with 48V DC, 110V DC, 220V DC and 250V DC command and switching voltage options
- Multiple level loopback options for maintenance and trouble-shooting
- Centralised NMS option for remote monitoring and management of more than 1000 units from central site over an IP network.
- Assignable user access levels for access control
- Secure password control
- Encrypted Password Protection
- Maintains logs of all successful and un-successful access attempts
- Generates SNMP Trap to alert the network administrator in the event of 3 un-successful access attempts.
- User programmable “Input” Command sampling time and “Output” Command holding time:
- Input Sampling Time - Sets the “Sampling Time” of the INPUT Pulse.
- Output Command holding time is the Relay Deactivation Time which sets the duration of the OUTPUT Pulse.
- Complies with all relevant Teleprotection Standards and Regulatory Compliances
- Optional - Trip Counter Display Panel and Alarm Extension Unit:
- The Trip Counter Display Panel and Alarm Extension Unit can be installed in conjunction with the Teleprotection unit to to display the count of the “Trip Input Sense” and “Trip Output Initiate” events and to obtain and extend additional alarm outputs to the Sub-Station “Alarm Annunciator” panel.
- 16, (8 Inputs and 8 Outputs) Trip Counter Display Panel to display the count of the “Trip Input Sense” and “Trip Output Initiate” events
- Additionally provides 8 user configurable external dry contact alarm outputs to extend up to 8, separate user assignable alarms
- Each alarm output can be individually assigned to any type of event, including failure of Transmission Link, PSU Failure Alarm, Trip Input Sense / Trip Output Initiate Commands
VCL-TP, Teleprotection IEEE C37.94 optical fiber interface
VCL-TP, Teleprotection Equipment is an extremely rugged product has been designed to operate reliably even under the most demanding conditions and environment. The VCL-TP, Teleprotection Equipment offers up to 8, 2-way independent command channels which can be operated selectively, in a combination, or simultaneously over a C37.94 compliant optical fiber link.
VCL-TP, Teleprotection Equipment may be used independently in a point-to-point application between two nodes connected over an optical fiber link, or it may be used as an integrated part of the VCL-MX Version 6, E1 voice and data multiplexer solution over SDH or PDH data networks.
Available with:
- IEEE C37.94 compliant Multi-Mode optical fiber interface for transmission over short-reach multi-mode optical fiber link
- IEEE C37.94 modulation compliant Single-Mode optical fiber interface for transmission over long-reach, single-mode optical fiber link (≤ 40 KM, ≤ 80 KM, ≤ 120 KM, ≤ 150 KM, ≤ 180 KM), without optical repeaters.
VCL-TP, Teleprotection over IEEE C37.94 (1+1 redundant) Optical Fiber interface With Trip Counter Display
VCL-TP, Teleprotection Equipment is an extremely reliable and flexible product that is available with 1+1 Optical Link Redundancy (C37.94), 1+1 Power Supply and 8/16, Digital Trip Counter Display Panel with 8 user configurable External Relay Alarm output options.
VCL-TP, Teleprotection Equipment may be used independently, in a standalone point-to-point application, or as an integral extension of the VCL-MX Version 6, E1 Voice and Data Multiplexer solution to provide Teleprotection over SDH or PDH data networks.
VCL-TP, Teleprotection Equipment is extremely reliable and flexible product that offers up to 8, 2-way independent command channels, operated selectively or simultaneously over a wide choice and a variety of transmission interfaces.
Available with:
- IEEE C37.94 compliant Multi-Mode optical fiber interface for transmission over short-reach multi-mode optical fiber link
- IEEE C37.94 modulation compliant Single-Mode optical fiber interface for transmission over long-reach, single-mode optical fiber link (≤ 40 KM, ≤ 80 KM, ≤ 120 KM, ≤ 150 KM, ≤ 180 KM), without optical repeaters.
VCL-TP, Teleprotection with E1, 2.048Mbps, over an E1 / SDH link
VCL-TP, E1 Teleprotection Equipment is an extremely rugged product has been designed to operate reliably even under the most demanding conditions and environment. The VCL-TP, Teleprotection Equipment offers up to 8, 2-way independent command channels which can be operated over an E1, 2.048Mbps, G.703 interface option for transmission over E1 links.
VCL-TP, E1 Teleprotection Equipment may be used independently in a point-to-point application between two nodes connected over an optical fiber link, or it may be used as an integrated part of the VCL-MX Version 6, E1 voice and data multiplexer solution over SDH or PDH data networks.
VCL-TP, Teleprotection with 64Kbps, G.703 co-directional digital data interface option for transmission over 64Kbps data link
VCL-TP, Teleprotection Equipment is an extremely rugged product has been designed to operate reliably even under the most demanding conditions and environment. The VCL-TP, Teleprotection Equipment offers up to 8, 2-way independent command channels which can be operated over a G.703 co-directional digital data interface option for transmission over 64Kbps data link.
VCL-TP, Teleprotection Equipment may be used independently in a point-to-point application between two nodes connected over an optical fiber link, or it may be used as an integrated part of the VCL-MX Version 6, E1 voice and data multiplexer solution over SDH or PDH data networks.
VCL-TP, E1 / IEEE C37.94 Teleprotection 8 Binary Commands with IEC-61850 GOOSE
VCL-TP, Teleprotection Equipment is an extremely reliable and flexible product that is available with 1+1 Link Redundancy (E1 + C37.94) or (C37.94 + C37.94), 1+1 Power Supply and 8, Digital Trip Counter Display Panel with 8 user configurable External Relay Alarm extensions. 1+1 redundant protection switching / route protection is available between C37.94 optical and E1 interfaces with automatic switchover to redundant link in the event of the failure of the primary link.
VCL-TP, Teleprotection Equipment may be used independently, in a standalone point-to-point application, or as an integral extension of the VCL-MX Version 6, E1 Voice and Data Multiplexer solution to provide Teleprotection over SDH or PDH data networks.
VCL-TP, Teleprotection Equipment offers up to 8, 2-way independent command channels, operated selectively or simultaneously over a wide choice and a variety of transmission interfaces.
VCL-TP Teleprotection IEC 61850 GOOSE over IP / MPLS Interface
VCL-TP Teleprotection - IEC-61850 GOOSE over IP/MPLS equipment is a 2U high, 19-inch rack mountable equipment that is designed transport IEC-61850 GOOSE* (*Generic Object Oriented Substation Event) messages over an IP/MPLS network. The equipment also provides 8 Binary Inputs / Outputs and performs GOOSE to Binary / Binary to GOOSE functions, thereby allowing the users to install VCL-TP Teleprotection - IEC-61850 GOOSE over IP/MPLS equipment between sub-stations where one sub-station (protection relay) is using GOOSE messages and the other complementing sub-station (protection relay) is using binary commands.
The VCL-TP Teleprotection - IEC-61850 GOOSE over IP/MPLS incorporates the same level of “reliability” and “dependability” that the users have come to expect of the IEEE C37.94 based communication interface. Additionally, the VCL-TP Teleprotection - IEC-61850 GOOSE over IP/MPLS provides un-paralleled security, speed as well as all the advantages of an IEC-61850 GOOSE based system operating in a “Digital Sub-station” environment.
Teleprotection over IP/MPLS – 10/100BaseT (Electrical) or 100BaseFX (Optical) Ethernet Interface to provide Teleprotection over IP/MPLS link
The VCL-TP, Teleprotection over IP / MPLS Equipment incorporates the same level of “reliability” and “dependability” that the users have come to expect of the C37.94 based communication interface. Additionally, the VCL-TP, Teleprotection over IP / MPLS Equipment provides un-paralleled security, speed as well as all the advantages of operating in a “Digital Sub-station” environment.
Available with:
- 10/100BaseT (Electrical) Interface to provide Teleprotection over IP/MPLS link.
- 100BaseFX (Optical) Ethernet Interface to provide Teleprotection over IP/MPLS link.
VCL-2709, IEEE C37.94 to E1 Converter
The VCL-2709, IEEE C37.94 to E1 Converter is a ruggedized and robust, sub-station-hardened protocol converter that converts IEEE C37.94 data to E1 data. VCL-2709 supports point-to-point applications.
VCL-2709, IEEE C37.94 to E1 equipment includes precise clock recovery and clock re-generation functions which allows the transmission of IEEE C37.94 channels over an E1/SDH network for error free transmission.
VCL-2709 is available in DIN Rail mount version and 1U high, standard 19-inch rack mount version.
The most common application for the VCL-2709 converter is for augmenting legacy IEEE C37.94 data transmission over an E1 network between two sub-stations. By installing a VCL-2709 converter, the existing IEEE C37.94 interfaces from protection relays can be transmitted over the E1 network without incurring large capex, or without the tiresome task of having to replace or rewire the IEEE C37.94 Relays which need to be interconnected to the far end substations over E1 (SDH) transmission links.
- Number of C37.94 interfaces per card: 1
- Number of interfaces: 1 E1 (2.048 Mbit/s) Interface (Electrical G.703)
VCL-2710, IEEE C37.94 Multi-Mode to Single Mode Optical Converter
VCL-2710, IEEE C37.94 Multi-Mode to Single Mode Optical Converter is a ruggedized, sub-station-hardened converter that converts IEEE C37.94 Multi-Mode signal to Optical Single-Mode Optical signal. The equipment is designed to extend IEEE C37.94 multi-mode signals over extended single-mode optical fiber spans. The VCL-2710, IEEE C37.94 Multi-Mode to Single Mode Optical Converter includes the clock synchronization and clock re-generation functions which allows it to transmit the IEEE C37.94 multi-mode signal over very long single-mode optical fiber links of up to 50dB optical link loss budget (i.e. typical reach of 167 Miles / 270 Kms).
VCL-2710 is designed for use in point-to-point applications. The VCL-2710 meets and complies with the IEC-61850-3, EMI, EMC, Surge and Temperature specifications making it suitable for sub-station installations to provide uninterrupted service even in the most demanding and harsh environments.
VCL-2710 is available in DIN Rail mount version and 1U high, standard 19-inch rack mount version.
VCL-2711, IEEE C37.94 over IP/MPLS / Ethernet / MPLS-TP Transmission Equipment
The VCL-2711, IEEE C37.94 over IP/MPLS / Ethernet / MPLS-TP Transmission Equipment is a ruggedized, robust and sub-station-hardened transmission equipment which converts and transmits up to two or four IEEE C37.94 Interfaces over an IP/MPLS / Ethernet / MPLS-TP link with “SDH / SONET like” performance. The far-end VCL-2711 unit receives the Ethernet data stream and re-converts it back to the IEEE C37.94 Interfaces. The VCL-2711 units must be always used in pairs, with one unit installed on each end of the Ethernet / IP / MPLS link.
The VCL-2711, IEEE C37.94 over IP/MPLS / Ethernet / MPLS-TP equipment can be used in a point-to-point, or a point-to-multipoint topology with absolutely no bit-errors and almost “zero” jitter or wander due to its integrated GPS (ITU-T G.811) compliant Primary Reference Clock and IEEE 1588v2 PTP Slave clock synchronization options.
Application Diagrams
Application: Teleprotection over IEEE C37.94 Optical Interface
Application: Teleprotection over IEEE C37.94 Optical Interface in 1+1 Configuration
Application: Teleprotection over SDH / E1 PDH Network
Application: Teleprotection over an E1 (2.048Mbps) Interface
Application: Teleprotection with IEC-61850 GOOSE interface over C37.94 / E1 / SDH
Application: Teleprotection over IP / MPLS Network
Application: Teleprotection over IP - GOOSE over IP / MPLS / Encrypted IP Links
Application: Teleprotection over an E1 (2.048Mbps) + C37.94 Interface (Redundant)
Application: Teleprotection over C37.94 Redundant Scheme for Distance Protection with Binary Commands
Application: Teleprotection over C37.94 Redundant Scheme for Distance Protection with IEC 61850 GOOSE
Application: Teleprotection over C37.94 and E1 - Redundant Scheme for Distance Protection
Application: Teleprotection over E1 / SDH and IP / MPLS - Redundant Scheme for Distance Protection
Application: Distance Protection Reliability Index with Binary Commands over C37.94
Application: Distance Protection Reliability Index with GOOSE over C37.94
Application: Teleprotection using IRIG-B / NTP to Time-stamp Events and Alarms