Current transformer

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Meaning of Transformer Models I. Current transformer models LCZ-35Q: L – Current transformer; C – Handcart type; Z – Casting type; 35 – Rated voltage (kV), i.e., the highest voltage the equipment can handle (kV); Q – Structure code. LDZB6-10Q: L – Current transformer; D – Single-turn type; Z – Casting type; B – With protective class; W – With protective class; 6 – Design number; 10 – Rated voltage (kV). LDJ2-10: L – Current transformer; D – Type with contact box; J – Reinforced type; 6 – Design number; 10 – Rated voltage (kV). LFSQ-10Q: L – Current transformer; F – Hermetical type; S – Handcart type; Q – Reinforced type; 10 – Rated voltage (kV). LMZJ1-0.5: L – Current transformer； M: Bus-type ； Z: Resin casting ； J: Increase capacity ； 1: Design sequence number ； 0.5: Rated voltage 500V LMZB7-10GYW1 L Current transformer M Busbar type Z Casting type B With protective class W Design Number 10 Rated voltage (kV) Highest voltage for equipment (kV) GYW1 Plateau Dirty LXK-φ120 LX – Cable type K – Open-type 120 – Inner diameter LZZJ-10 L Current transformer Z Post type Z Casting type J Reinforced type 10 Rated voltage (kV) Highest voltage for equipment (kV) LZZBJ9-10 L Current transformer Z Post type Z Casting type B With protective class J Reinforced type 9 Design Number 10 Rated voltage (kV) II. Voltage transformer models JDZ(X)-3,6,10 J Voltage transformer D Single phase Z Casting type X With residual voltage winding 3,6,10 Voltage class (kV) JDZ(X)10-3,6,10 J Voltage transformer D Single phase Z Casting type X With residual voltage winding 10 Design Number 3,6,10 Voltage class (kV) JDZF7-10GYW1 J Voltage transformer D Single phase Z Casting type F With residual voltage winding 7 Design Number 10 Voltage class (kV) GYW1 Plateau Dirty JSZV-6R J Voltage transformer S Three-phase Z Cast type V “V” connection 6 Rated voltage in kV R With fuse JDZXF14-6 J Voltage transformer D Single phase Z Cast type X With residual voltage winding F With three secondary windings 14 Design Number 6 Rated voltage in kV JSJV-10Q J Voltage transformer S Three-phase J Oil-insulated V “V” connection 10 Voltage class (kV) Q For all operating conditions JSZW-10 J Voltage transformer S Three-phase Z Casting type W Five-core design 10 Voltage class (kV) PT: Potential transformer CT: Current transformer