Xiangyang Chaori Electrical Equipment Co., Ltd.

JinXiangGui Focusing on switch cabinets for 0.4~35kV.

Focus on quality.

Only for custoners more secure!

XIANGYANGSHI CHAORI ELECTRICAL EQUIPMENT Co., Ltd.

JinXiangGui Focusing on switch cabinets for 0.4~35kV.

We provide technical services, because we are professional! ! !

Here's a concise English summary of KYN28-12 switchgear assembly steps:

1. **Preparation & Safety: ** Wear PPE. Verify components against drawings. Ensure a clean, organized workspace. Check foundation bolts match the base frame.

2. **Base Frame Assembly: ** Position the main base frame sections on foundation bolts. Precisely align and level using shims. Securely bolt sections together and tighten foundation bolts. Install grounding busbar.

3. **Vertical Section Erection: ** Lift the first vertical section (cubicle) onto the base frame. Align, level, and bolt securely to the base and adjacent sections (if applicable). Repeat for subsequent cubicles, ensuring perfect alignment and bolting connections.

4. **Main Busbar Installation: ** Install support insulators within busbar chambers. Carefully insert phase-isolated main busbars (horizontal and vertical risers) through aligned holes in adjacent cubicles. Connect busbar sections using specified connectors/bolts, applying correct torque. Ensure adequate clearance.

5. **Component Mounting: ** Install circuit breakers, CTs, VTs, relays, meters, and other devices onto their designated rails or compartments according to drawings. Secure firmly. Ensure breaker racking mechanisms operate smoothly.

6. **Wiring & Cabling: ** Route control, signal, and power cables through designated cable ducts/channels. Terminate wires to components (breakers, relays, meters, terminals) and earthing points according to schematics. Ensure proper labeling, segregation, and secure bundling. Install cable glands for incoming/outgoing cables.

7. **Door & Panel Installation: ** Mount front, rear, and side doors/panels. Install interlocks, locking mechanisms, viewing windows, and ventilation grills. Ensure doors operate smoothly and safety interlocks function correctly.

8. **Final Checks & Testing: ** Verify all bolts are tightened to specified torque. Inspect for tools/debris inside compartments. Check phase sequence and clearances. Perform insulation resistance and continuity tests (busbar, grounding). Operate mechanisms (breaker racking, door interlocks). Ensure labeling is complete and correct.

**Key Focus: ** Precision alignment, correct torque, strict adherence to schematics/drawings, rigorous safety (PPE, de-energized work), thorough component verification, and functional testing of mechanisms/interlocks are critical throughout assembly.