ZF28A-126/145 SF6 gas insulated high voltage composite electrical appliance

First, product introduction:

The type ZF28A-126/145 HGIS is composed of standard modules with flange connection of the same size, which can meet the needs of substation optimization design through flexible combination of modules, saving space and meeting technical requirements.

Advantages:

• CESI Short-circuit Alliance (STL) test center qualified;

• Self-energy-gas combined type arc extinguishing chamber, three-station isolated grounding switch, spring operating mechanism;

• Small footprint

• Compact, standardized module design

• Can be applied to cold, wet, salt spray, coastal, high altitude areas

• Independent processing of key components

• Spring operating mechanism base: German DMG four-axis boring and milling CNC machining center

• Basin insulator: German Hubers vacuum mixing epoxy pouring equipment

• Paint: Advanced surface coating production line

• Transformer: Siyuan Hertz Transformer Co., LTD

• Advanced quality management

• Quality management throughout the whole process and life cycle

• Prevention of "four hazards" production management concept

• Release and lightning shock test after delivery

• Level 9 earthquake resistance

2. Use environment:

1. Installation location: indoor/outdoor

2. Ambient air temperature Maximum temperature: +55℃ Minimum temperature: -30℃ Maximum daily temperature difference: 32 K

3. Altitude: ≦1000m

4. Sunshine intensity (sunny noon) : 1000 W/m2

5. Pollution level: Level IV

6. Ice thickness: 10mm/20mm

7. Wind speed/pressure: 34/700 (m/s)/Pa

8. Humidity Average daily relative humidity: ≦95% Average monthly relative humidity: ≦90%

9. Earthquake resistance: 9 degrees horizontal acceleration: 0.3g /s2 Vertical acceleration: 0.15m /s2

Third, product features:

• CESI test confirms that ZF28A-126/145 HGIS is suitable for both fixed ground system (first open stage coefficient 1.3) and neutral ungrounded system (first open stage coefficient 1.5).

• E2-M2-C2 circuit breaker.

• Unique self-energizing and pressurized combined type arc extinguishing chamber design, spring operating mechanism.

• Insulation levels higher than GB and IEC standards; Under 80% power frequency withstand voltage test voltage, the local discharge is less than 5pC.

• Imported German DMG four-axis boring and milling CNC machining center, precision machining spring operating mechanism base.

• Imported German Hubers vacuum mixing epoxy pouring equipment, self-processing basin insulator.

• Basin insulator adopts metal flange structure, epoxy resin is not exposed, long service life.

• Independent production of electromagnetic current/voltage transformers.

• Two kinds of integrated and split manifold control cabinets are available, secondary components imported, protection level IP55W.

• Advanced surface coating production line, self coating shell.

Iv. Product use:

High pressure HGIS products have been widely used in urban densely populated areas, underground, Marine, high altitude, high temperature, low temperature, heavy pollution, big wind and sand and other different occasions and environments.

ZF28A-126/145 type HGIS is one of the new generation switchgear of Shanghai Siyuan High Voltage Switch Co., LTD., with its compact design and reliable performance, it has won the trust of users. At present, it has been operating in most power grids in the country.