Application and designated area
YAKNO cells of outdoor installation are intended to receive and distribute electrical energy of three-phase alternating current with voltage of 6 and 10 kV and industrial frequency 50 Hz are applied to connect supply and protection of equipment of power quarry power consumers in distribution networks and for connection of external lighting.
YAKNO cells represent a welded casing of sheet steel with package equipment inside.
YAKNO CELL IS PACKAGED WITH VACUUM BREAKER BB/TEL (manufacturer – «Tavrida Electric») or ВР 1 (manufacturer – RZVA)
YAKNO – 10-Х- U (Т). 1
YAKNO — single package cell of outdoor installation;
10 — rated voltage10 kV;
X — scheme number of primary connections (see table)
U — climatic category complies with GOST 15150
1 — position category complies with GOST 15150
Cell auxiliary circuits provide:
- - protection of power generation equipment and cable lines in emergencies;
– current and voltage measurement;
– account of electrical energy consumption;
– control of built-in breaker;
– breaker position and abnormal operation alarming;
– outdoor and inner lighting;
– cabinet heating.
The scheme provides the following kinds of protection:
- - maximum current protection’
– protection from grounding closing;
– protection of minimum voltage;
– protection of continuity of grounding cable cores.