4. Complete set of automation of management a switch 330 kV with the functions of dbrs, ari

The complete set of management automation can consist of one or a few microprocessor devices and must realize next functions:

• Control of switching device (on - off));

• realization of the one / three phase disconnecting of switch with starting DBRS;

• control of good condition of current chains;

• control of good condition chains of tension (circuit-disconnection fault);

• freely programmable logic;

• free configuration of entrances/outputs of device;

• determination and reflection of current parameters of object;

• synchronization from the outsourcing of exact time;

• amount of groups of setpoints: no less 4;

• operative blocking for an one-and-a-half chart;

• control of synchronization and presence of tension;

• autoreclosing ;

• internal recorder of events;

• oscillograph working;

• energyindependent memory;

• measurings of current parameters;

• self-diagnostic of device;

• signaling about the state and functioning of device;

• support of protocol of IEC 61850, and also presence of standard international protocols of exchange by information for integration in ACS;

Requirements to software part:

• liquid-crystal screen on a front panel;

• user-programmable light-emitting-diode indicators for signaling;

• front port of Ethernet (Rs232) for connection with a device;

• two back ports with an optical fibre ethernet-interface for connection with ACS substations;

5. Complete set by a basic differential-phase hf defense of wl-110 kV with the functions of reserve defense

The complete set of defense can consist of one or a few microprocessor devices and must realize next functions:

• differential-phase defence with the transmission of signals to on HF to the channel;

• controlled from distance protecting from all kinds between phase contactors and contactors to earth;

• rebuilding from loading;

• four step current protecting from contactors with the organ of direction of power a zero sequence;

• possibility of starting DPD (different phase defense) from reserve defense;

• operating on the three-phase disconnecting;

• exposure of disrepair of current chains;

• blocking at the disrepair of chains of tension;

• blocking at swinging of power;

• protecting from the incompletely phase mode (PIP);

• autoreclosing ;

• amount of groups setpoints – not less than 4th;

• distance-finding to the site of damage;

• real-time clocks with synchronization from an outsourcing;

• free-programmable logic;

• logic of teleacceleration of reserve defense;

• internal recorder of events;

• oscillographic testing;

• energyindependent memory;

• measurings: currents, tensions, frequency, power;

• self-diagnostic of device;

• liquid-crystal screen on a front panel;

• user-programmable light-emitting-diode indicators for signaling;

• signaling about the state and functioning of device;

• support of protocol of MEK 61850, and presence of standard international protocols of exchange by information for integration in ACS;

• front port of Ethernet (Rs232) for connection with a device;

• back port with an optical fibre ethernet-interface for connection with ACS substations;