- Country of manufactureRussia
The registrar of arc short circuits of DOUG-au is intended for work together with the fiber-optical sensors (FOS). The registrar can be used in arc protection of distributing devices without DUGA-BTs-150 blocks, influencing digital devices of relay protection and automatic equipment (TsRZA).
The registrar of arc short circuits of DOUG-au provides transformation, transfer, storing and display of signals from fiber-optical sensors at emergence of arc short circuit, and also definition of the place of emergence of arc short circuit to within a compartment.
The registrar of arc short circuits of DOUG-au is intended for installation in cells on voltage of 0,4-35 kV, including on objects of nuclear power.
Overall dimensions of the registrar of arc short circuits DOUG-au - 115х116х61,7 mm (SHKHVKHG), weight unpacked - no more than 0,67 kg.
|Quantity of entrances of signals from WATERS||4|
|Exits (contactless relays)|
|quantity of exits||4+1|
|current sort||constant, variable|
|the switched tension, In, no more||264|
|loading current, ma, no more||100|
|Exit "Neispr. RDZ"|
|range of the switched tension of a direct current, In||24-264|
|short circuit current, And, no more||2,50|
|disconnection current at active and inductive loading from a constant of time of no more L/R of 20 ms, And, no more||0,15
Food of the registrar of arc short circuits DOUG-au can be carried out from a source of the constant or straightened current with rated voltage of 110 or 220 V, and also from a source of alternating current frequency (50 ± 5) Hz with a rated voltage of 220 V. Working range of supply voltage is from 88 to 132 V (for voltage of 110 V) and from 176 to 264 V (for tension 220B).
The rated power consumed by the registrar of arc short circuits of DOUG-au from a source of operational current in all modes, no more than 1 W.
Service conditions of the registrar of arc short circuits DOUG-au:
- possibility of installation in not heated rooms with a working range of values of temperature from minus 40 to plus 55 °C.
- relative humidity of air to 98% at plus 25 °C and lower temperatures without moisture condensation;
- atmospheric pressure is from 73,3 to 106,7 kPa (from 550 to 800 mm hg);
- installation height above sea level no more than 2000 m;
- environment is inexplosive, not containing conducting dust, aggressive vapors and gases destroying isolation and metals;
- the installation site has to be protected from hit of splashes of water, oils, emulsions, and also from direct influence of solar radiation.
The registrar maintains an earthquake measuring 9 points on MSK-64 at installation level over a zero mark to 10 m in accordance with GOST 17516.1-90. The registrar, according to federal norms and rules of use of atomic energy of PNAE G-01-011-97 belongs to the class ZN.
Available time of the registrar of arc short circuits DOUG-au for work after giving of operational current - no more than 0,25 pages.
Storage time of information on a condition of light indicators at food loss not less than 5 years.
The registrar of arc short circuits of Doug-au treats products, nonrestorable on object. Average time between failures of the registrar not less than 100000 h. Average service life not less than 15 years.