VCL Products > Teleprotection
Teleprotection / Digital Tele Protection (DTPC) / Digital
Protection Signalling Equipment (PSE)
VCL-TP, Teleprotection / Digital Tele Protection Coupler (DTPC) / Digital Protection Signalling Equipment (PSE) is an extremely reliable and rugged, sub-station hardened equipment that is 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.
Substation interface options include:
- 8 Binary Commands
- IEC-61850 GOOSE (PSCH1 and PSCH2)
Network / Transmission interface options include:
- E1 (2.048Mbps)
- 1+1, E1 (2.048Mbps), point-to-point transmission links with path protection / route protection with automatic failover
- Dual E1 (2.048Mbps) transmission links transferring 4+4 Binary Commands over E1 links in a point-to-multipoint application
- IEEE C37.94 Optical link
- Ethernet / IP/MPLS / MPLS-TP (10/100BaseT RJ45; or 100BaseFX Optical) transmission link
- E1 plus IEEE C37.94 Optical, 1+1 redundant transmission links with path protection / route protection with automatic failover
- E1 + Ethernet / IP/MPLS / MPLS-TP (10/100BaseT RJ45; or 100BaseFX Optical) transmission link with path protection / route protection
- E1 plus IEEE C37.94 Optical plus Ethernet / IP/MPLS / MPLS-TP (1+N redundant transmission) links
Command Transfer Time (including relay operating time):
| Interface Type | Command Transfer Time | Relay Operating Time | Total Command Transfer Time |
| E1 (2.048 Mbps) | < 2ms | < 3ms | < 5ms |
| E1 plus E1 (1+1 redundant) | < 2ms | < 3ms | < 5ms |
| IEEE C37.94 Optical | < 2ms | < 3ms | < 5ms |
| E1 (2.048Mbps) plus IEEE C37.94 (1+1) | < 2ms | < 3ms | < 5ms |
| Ethernet / IP/MPLS / MPLS-TP | < 2ms | < 3ms | < 5ms |
| Binary Plus IEC-61850 GOOSE Interface over E1 / IEEE C37.94 / Ethernet / IP/MPLS / MPLS-TP | < 2ms | < 3ms | < 5ms |
| IEC 61850 GOOSE Over Ethernet / IP/MPLS / MPLS-TP | < 3ms | - | < 3ms |
VCL-TP, Teleprotection IEEE C37.94 Optical Fiber
- 8 Binary Commands over IEEE C37.94 Optical link.
- Offers up to 8 independent Binary Command Input and 8 independent Binary Command Output channels which can be operated selectively; in a combination; or simultaneously over a IEEE C37.94 compliant optical fiber link.
- Command Transfer Time (including relay operating time) is <5ms.
- May be used independently in a point-to-point application between two nodes connected over an optical fiber link
- Also optionally available with 2 x IEEE C37.94 Optical Interfaces for optical link redundancy; or for use in 4+4 point-to-multipoint applications
VCL-TP, Teleprotection over E1, 2.048Mbps (SDH) Link
- 8 Binary Commands over E1, 2.048Mbps link
- Offers up to 8 independent Binary Command Input and 8 independent Binary Command Output channels which can be operated over an E1, 2.048Mbps, G.703 interface option for transmission over E1/SDH links.
- Command Transfer Time (including relay operating time) is <5ms
- May be used independently in a point-to-point application between two nodes connected over E1/SDH links
- Also optionally available with 2 x E1 Interfaces for E1 link redundancy; or for use in 4+4 point-to-multipoint applications
E1 (2.048Mbps) plus IEEE C37.94 Optical (1+1 redundant transmission) links
- 8 Binary Commands over E1 plus IEEE C37.94 Optical, 1+1 redundant transmission links with path protection / route protection with automatic failover
- Offers up 8 independent Binary Command Input and 8 independent Binary Command Output channels which can be operated selectively; or simultaneously; or in a combination over an E1 (2.048Mbps) plus IEEE C37.94 Optical (1+1 redundant transmission links) with link failure detection and automatic failover.
- Command Transfer Time (including relay operating time) is <5ms
- Network interface options:
- E1, 2.048Mbps interface
- IEEE C37.94 optical fiber interface
- 1+1 redundant path protection / route protection option
- E1, 2.048Mbps and IEEE C37.94 (1+1 redundant) interfaces.
E1 (2.048Mbps) plus E1 (2.048Mbps) - 1+1 redundant Interfaces
- 8 Binary Commands over E1 plus E1, 1+1 redundant interfaces with path protection / route protection with automatic failover
- Offers up 8 independent Binary Command Input and 8 independent Binary Command Output channels which can be operated selectively; or simultaneously; or in a combination over an E1 (2.048Mbps) plus E1 (2.048Mbps) - 1+1 redundant transmission links with link failure detection and automatic failover.
- Command Transfer Time (including relay operating time) is <5ms
VCL-TP, E1, IEEE C37.94, IP/Ethernet Teleprotection with IEC-61850 GOOSE
- 8 Binary Commands and IEC-61850 GOOSE over E1; plus IEEE C37.94; plus Ethernet links
- 1+1 redundant protection switching / route protection is available between E1 interfaces / IEEE C37.94 optical / IP/Ethernet/MPLS with IEC 61850 GOOSE and automatic switchover to redundant link in the event of the failure of the primary link.
- Command transfer time for Binary and IEC-61850 GOOSE Interface over E1 / IEEE C37.94 / Ethernet / IP/MPLS / MPLS-TP is <5ms
VCL-TP Teleprotection IEC 61850 GOOSE over IP / MPLS Interface
- IEC 61850 GOOSE (PSCH1 and PSCH2) over IP/MPLS / MPLS-TP (10/100BaseT RJ45, or 100BaseFX Optical) Ethernet links
- Designed transport IEC-61850 GOOSE* (*Generic Object Oriented Substation Event) messages over an IP/MPLS network.
- 8 Binary Inputs / Outputs and performs GOOSE to Binary / Binary to GOOSE conversion 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 corresponding, complementing sub-station (protection relay) at the other end is using binary commands.
- 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.
- Command Transfer Time (including relay operating time) is <5ms
VCl-TP, Teleprotection over IP/MPLS
- 8 Binary Commands over IP/MPLS / MPLS-TP (10/100BaseT RJ45, or 100BaseFX Optical) Ethernet transmission links
- VCL-TP, Teleprotection over IP / MPLS Equipment 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 over IP/MPLS Equipment provides un-paralleled security, speed as well as all the advantages of operating in a “Digital Sub-station” environment.
- Offers up 8 independent Binary Command Input and 8 independent Binary Command Output channels
- Available with:
- 10/100BaseT (Electrical) Interface to provide Teleprotection over IP/MPLS link.
- 100BaseFX (Optical) Ethernet Interface to provide Teleprotection over IP/MPLS link.
Application Diagrams:
- Teleprotection over IEEE C37.94 Optical Interface
- Teleprotection over IEEE C37.94 Optical Interface in 1+1 Configuration
- Teleprotection over SDH / E1 PDH Network
- Teleprotection over an E1 (2.048Mbps) Interface
- Teleprotection over IP / MPLS Network
- Teleprotection with IEC-61850 GOOSE interface over C37.94 / E1 / SDH
- Teleprotection over C37.94 Redundant Scheme for Distance Protection with Binary Commands
- Teleprotection over C37.94 Redundant Scheme for Distance Protection with IEC 61850 GOOSE
- Teleprotection over IP - GOOSE over IP / MPLS / Encrypted IP Links
- Teleprotection over an E1 (2.048Mbps) + C37.94 Interface (Redundant)
- Teleprotection over an E1 (2.048Mbps) plus E1 (2.048Mbps) Interface (Redundant)
- Teleprotection over C37.94 and E1 - Redundant Scheme for Distance Protection
- Teleprotectoin over E1 / SDH and C37.94 - Redundant Scheme for Distance Protection using Binary and IEC 61850 GOOSE Protection Schemes
- Teleprotection over E1 / SDH and IP / MPLS - Redundant Scheme for Distance Protection
- Distance Protection Reliability Index over E1 plus C37.94 using "OR" Commands
- Distance Protection Reliability Index with GOOSE over C37.94
- Teleprotection using IRIG-B / NTP to Time-stamp Events and Alarms
- Application through an IP/MPLS or a MPLS-TP network implementing Over-Current protection
- Application through a TDM network implementing over-current protection
- Application in a Sub-station Implementing an Overcurrent, UF/OF and UV/OV Protection
Valiant Communications is an ISO 9001:2015, ISO 10001:2018, ISO 14001:2015, ISO 27001:2013 and ISO 45001:2018 certified equipment manufacturer.
Links
Products
Teleprotection over E1, C37.94,
MPLS-TP, MPLS / IP, IEC-61850 GOOSE
VCL-PMU-30, Phasor Measurement Unit (PMU)
VCL-PDC, Phasor Data Concentrator (PDC)
Products
GPS / GNSS, Primary Reference Clocks (G.811)
PTP IEEE-1588v2 Grandmaster, PTP Slave, PTP Transparent Clock
GPS to IRIG-B, GPS to 1PPS Servers
Time Distribution, IRIG-B, 1PPS, RS-232 / RS-485
SDH with MPLS-TP & SONET Multiplexers
E1 PDH, Optical Multiplexer & Digital Cross Connect
Products
IP over TDM / Ethernet over TDM
TDM over IP / Ethernet / Packet / MPLS
E1 / T1 APS, 1+1 Automatic Protection Switch, E1 / T1 Failover
1+1 Ethernet Failover / AB Fallback Switch
Groomer (Hi-Z Non-Intrusive Monitoring) - E1, T1 and STM-1
E1 and T1 Echo Cancellers & VQE
Serial to Ethernet and MODBUS Converters
Patch Panels, AC DC Converters, Passive Products