SIPROTEC 7VK87 - 4xI 4xV, expandable HW

SIPROTEC 7VK87 - Circuit-breaker management device

4xI 4xV, expandable HW

The SIPROTEC 7VK87 circuit breaker management device has specifically been designed for circuit-breaker management. With its modular structure, flexibility and the powerful DIGSI 5 engineering tool, the SIPROTEC 7VK87 device offers future-oriented system solutions with high investment security and low operating costs.

Features

Main function:

• Automatic reclosing function, synchro-check, circuit-breaker failure protection

Tripping:

• 1-pole and 3-pole or 3-pole

Inputs and outputs:

12 predefined standard variants with

• 4/4 or 8/8 current transformers / voltage transformers,
• 5 to 31 binary inputs,
• 8 to 46 binary outputs

Hardware flexibility:

• Flexibly adjustable I/O quantity structure within the scope of the SIPROTEC 5 modular system

Width of housing:

• 1/3 × 19 inches to 2/1 × 19 inches

As standard:

• Conformal coating

Product homepage - downloads from the internet (catalogs, certificates, firmware, manuals,...)

siemens.com/7VK87

• Safe and reliable automation and control of your systems
• Purposeful and easy handling of devices and software thanks to a user-friendly design
• Cyber security in accordance with NERC CIP and BDEW Whitepaper requirements
• Highest availability even under extreme environmental conditions by “conformal coating“ of electronic boards
• Powerful communication components warrant safe and effective solutions
• High investment security and low operating costs due to future-oriented system solutions

• Automatic reclosing after 1/3-pole tripping
• Synchro-check before reclosing
• Circuit-Breaker Failure Protection
• Also used in switchgear with breaker-and-a-half layout
• Backup overcurrent and voltage protection
• Protection data communication over different distances and physical media, such as optical fiber, two-wire connections, and communication networks
• Phasor Measurement Unit (PMU)

DIGSI 5 permits all functions to be configured and combined as required.

• Automatic reclosing function and synchro-check for line protection applications with 1-pole and 3-pole tripping
• Circuit-breaker failure protection for 1-pole and 3-pole tripping
• Point-on- wave switching
• Control, synchro-check and switchgear interlocking protection
• Voltage controller for transformers
• Arc protection
• Voltage protection
• Graphical logic editor to create powerful automation functions in the device
• Single-line representation in small or large display
• Integrated electrical Ethernet RJ45 for DIGSI 5 and IEC 61850 (reporting and GOOSE)
• Up to 4 optional pluggable communication modules, usable for different and redundant protocols (IEC 61850-8-1, IEC 61850-9-2 Client, IEC 61850-9-2 Merging Unit, IEC 60870-5-103, IEC 60870-5-104, Modbus TCP, DNP3 serial and TCP, PROFINET IO)
• 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.
• Reliable data transmission via PRP and HSR redundancy protocols
• Extensive cyber security functionality, such as role-based access control (RBAC), protocolling security-related events or signed firmware
• Simple, quick and secure access to device data via a standard Web browser – without additional software
• Phasor measurement unit (PMU) for synchrophasor measured values and IEEE C37.118 protocol
• Time synchronization using IEEE 1588
• Powerful fault recording (buffer for a max. record time of 80 sec. at 8 kHz or 320 sec. at 2 kHz)
• Auxiliary functions for simple tests and commissioning
• Flexibly adjustable I/O quantity structure within the scope of the SIPROTEC 5 modular system