General information

The BMRZ-150 series devices are designed to perform relay protection and automation functions for various connections with a voltage of 6-35 kV. The BMRZ-150 series devices belong to the family of compact BMRZ devices that can be installed in places with limited space. The devices are highly reliable, have extensive functionality, high-tech software and hardware. This makes the BMRZ-150 series devices an effective solution for implementing the most complex solutions with maximum flexibility and convenience. The Configurator-MT software, which is common to all STC Mechanotronics devices, has a graphical logic editor, a library of functions, triggers, and logic gates, allowing the unit to be adapted to a wide variety of conditions at the facility.

Main features of the BMRZ-150

• Various mounting designs:

- the front panel is integrated into the base unit (monoblock)

- front panel on the remote control (base unit separately)

• Compact size

• Hardware unification

• Increased environmental resistance:

- operating temperature from -40°C to +55°C, including display

- humidity up to 98%

- degree of protection of the front panel shell IP54

• High nutritional performance

- voltage range from 66 V to 264 V

- the allowed power interruption time is up to 2.5 seconds

- standby time after switching on 0.25 s

• Number of analog inputs: 8

• Number of digital inputs/outputs: 22/21

• Full set of protection and control functions for different types of connections

• Change of setpoint groups

• The Configurator-MT software with a graphical logic editor that is uniform for all devices of the STC "Mechanotronics"

• Self-diagnosis function that determines the nature of the device malfunction

• Advanced alarm and event logging functionality:

- up to 16,000 entries in the event log memory

- up to 3,880 seconds of recording in the oscilloscope memory

- registration of accident parameters in the accident log

- the ability to change the parameters of the recorder and the composition of the signals

- protection against deletion of registrar's data

• Support for communication protocols:

- IEC 61850

- IEC 60870-5-104

- Modbus-TCP

- IEC 60870-5-101/103

- Modbus-RTU

- SNTP, PTPv1, TSIP, NMEA

• Communication interfaces:

- Optical Ethernet

- Ethernet RJ-45

- RS-485 serial port

- USB

List of BMRZ series designs

-L 35 kV,SV 35 kV BMRZ-152-KSZ U Automation and control niversal protection kit. Connections with a voltage of 6-35 kV

-L 6 kV BMRZ-152-KL BMRZ-120-KL Protection, automation and control Outgoing connections with a voltage of 6-35 kV

-6 kV BMRZ-152-ED Protection, automation and control Synchronous and asynchronous motors of 6-10 kV with a capacity of up to 5 MW

-RPN BMRZ-152-CRN control of electric drives of RPN devicesManual or automatic voltage regulation of transformers andautotransformers

-BSK BMRZ-152-BSK Protection, automation and management of Static capacitor banks

-SV 6 kV BMRZ-152-SV BMRZ-120-SV Protection, automation and control Sectional switches 6-10 kV-TN 6 kV

-TN BMRZ-120-TN Protection, automation and control Voltage transformers

-BB 6 kV BMRZ-152-BB BMRZ-120-BB Protection, automation and control Input switches 6-10 kV

-T 35 kV BMRZ-153-UZT Main and backup protection, automation and control Double-winding transformers with voltage up to 110 kV, current-limiting reactors, busbars, busbars and short-range power lines-BMRZ-154-PS Protection, automation and control of 6-10 kV partitioning points

-RPN BMRZ-156-CRN control of electric drives of RPN devicesManual or automatic voltage regulation of transformers and autotransformers

-BMRZ-156-OMP Determining the location of damage by one-way measurement of the 6-220 kV Line

-BMRZ-158-0.4GR Protection, automation and control of 0.4 kV generators

-BMRZ-158-GR Protection, automation and control generators operating on busbars up to 10 kV; generators operating in a block with a transformer; generator transformer units without a generator switch on the high voltage side up to 35 kV inclusive with transformer coverage by differential protection.

-D 6 kV BMRZ-158-UZD Protection, automation and control 6 - 10 kV electric motors of any power when installing current transformers (TT) in two phases

-BMRZ-158-TR Protection, automation and control Step-down transformers 6(10

General information

The devices of the BMRZ family are based on a modular design and are designed to perform the functions of relay protection and automation of various connections with a voltage of 0.4-220 kV. The updated hardware and software package and extensive functionality make it possible to implement the most complex solutions in the field of relay protection and automation in networks with a voltage of up to 220 kV, including the construction of a digital substation. The Configurator-MT software, which is uniform for all devices of the STC Mechanotronics, has a graphical logic editor, a library of functions, triggers and logical elements and provides maximum flexibility in the use of devices.

Main advantages

• Various mounting designs:

− the front panel is integrated into the base unit (monoblock);

− front panel

− remote control (base unit separately).

• Modular design.

• Number of analog inputs: up to 16.

• Number of digital inputs/outputs: 46/32.

• A display that does not freeze over the entire operating temperature range (-40 to +55 °C).

• Inputs for monitoring the currents of the electromagnets of the switch with oscilloscope operation and fault diagnosis. Software-functional

• An advanced set of protection and control functions for different types of connections.

• Up to 8 groups of settings, depending on the design.

• A single software "Configurator-MT" with a graphical logic editor.

• Extensive alarm and event logging functionality:

− up to 16,000 entries in the event log memory;

− up to 3600 seconds of recording in the oscilloscope memory;

− the ability to change the parameters of the recorder and the composition of the signals;

− protection against deletion of registrar's data.

• Support for various communication protocols:

– Modbus-RTU, Modbus-TCP;

– IEC 60870-5-101, -103, -104;

– MACK 61850 6, 7-1, 7-2, 7-3, 7-4, 8-1 ed.2 (MMS, GOOSE);

– time synchronization protocols SNTP, PTPv1, TSIP, NMEA.

• Communication interfaces:

– RS-485;

– Ethernet 100 BASE FX or Ethernet 100 BASE TX;

– 1PPS;

– USB on the front panel with support for external power supply.

• Work with the device via the USB port without power supply.

List of executions

BMRZ-TD

• Differential protection of transformers

• Two- and three-winding transformers, autotransformers up to 220 kV

• Repair of transformers

• Current-limiting reactors

• Additional voltage transformers

BMRZ-TR

• Redundant transformer protections

• Switch control

• Two- and three-winding transformers up to 220 kV BMRZ-LT

• Backup line protections

• Redundant transformer protections

• Switch control

• Power transmission lines up to 220 kV

• Two- and three-winding transformers, autotransformers

BMRZ-DZSh

• Differential tire protection

• Differential busbar protection

• Busbars with voltage up to 220 kV with no more than 16 connections

• Bushing with a voltage of up to 220 kV with a number of connections of no more than 5 BMRZ-DFZ

• Differential phase protection of lines

• 110 − 220 kV power transmission lines

BMRZ-BNZ

• High-speed directional protection of lines with transmission of blocking signals

• Redundant step protection

• 110 − 220 kV BMRZ-GR power transmission lines

• Basic and backup protection of generators

• Switch control

• Generators powered by busbars

• Generators operating in a block with a transformer

• Generator-transformer BMRZ-UZD blocks

• Basic and backup engine protection

• Switch control

• Synchronous and asynchronous electric motors of any power

BMRZ-TWO

• Protection of two-speed motors

• Control of switches

• Two-speed asynchronous electric motors

BMRZ-BSK

• Protection of the battery of static capacitors

• Batteries of static capacitors with a voltage of 110 − 220 kV

BMRZ-BAVR

• Fast-acting automatic reserve input (BAVR)

• Standard automatic reserve input (AVR)

• Return to normal operation (GNR) after AVR or BAVR

• 0.4 − 6 (10) kV substations