MРЗС-05Л АИАР.466452.001-32.04

Performs the following functions:

Provides control and measurement of the following quantities:

• three currents: one phase input 1, one phase input 2, one phase intersection;
• three phase/line voltage input 1;
• three phase/line voltages input 2;
• mains frequency on both inputs;
• angles between all currents and voltages.

Relay protection functions:

• four-stage undervoltage protection with AND or OR triggering,
• four-stage overvoltage protection with AND or OR triggering.

Automation and control functions:

• automatic switching on of the reserve (ATS) with the ability to work not only for lowering, but also for increasing voltage;
• Automatic Normal Mode Restore (AVHR)
• control of switches of inputs and SV,
• monitoring the switching resource of the circuit breaker,
• phasing control.

Functions, triggers and gates being defined:

• number of defined functions - 8;
• the number of triggers being defined is 4, the state of the triggers is stored in nonvolatile memory;
• logical gates AND, OR, NOT, EXCLUSIVE-OR.

Universal emergency waveform recorder with digital signal recording:

• parameterizable recording duration of pre-alarm, alarm and post-alarm processes.
• the resolution of the recorder by analog signals - no more than 1.25 ms.
• total recording duration - 50 seconds.

Digital signal recorder:

• 80 latest crashes,
• up to 43 records in each alarm with a time interval of 1 ms,
• for each accident are recorded:
• all input and output discrete signals, with fixed arrival and departure times;
• actuation of all protection and automation organs;
• Toggle switches on and off.

Number of freely programmable inputs, outputs, indicators:

• digital inputs - 10;
• discrete relay outputs - 10, without and with memory, implementation of SHMS;
• LED indicators - 8, with and without memory.