Sungrow MVS4500-LV handleiding
Handleiding
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7.2 Checking before Power on
7.2.1 MV Station Container
1. The installation conforms to the design requirements.
2. The container is level, and each door can be opened properly.
3. There is no crack, dent, or scratch on the container surface. Repaint areas with paint
flake-off (if any).
4. The number and positions of external accessories conform to the enclosed document.
5. All markings are correct, clear, and complete.
7.2.2 MV Switchgear
1. There is no crack, dent, or scratch on the cabinet surface.
2. The SF6 barometer pointer is in the green zone.
3. Apart the grounding wire of the secondary circuit and measure secondary loop to the
ground resistance and resistance should be M Ω level. Recover the grounding wire and
the resistance shall be 0 Ω.
4. If there is a relay protection tester or current source, check the value settings of the
protective device, including the set value, The set value must match that provided by
the user.
5. The door is closed.
6. The auxiliary AC power circuit breaker in the cabinet is switched on.
7. The conversion switch is in the remote position.
8. The local operating switch has been padlocked.
9. The load switch is opening and the grounding switch is closing.
10. Remove all foreign matters in the medium-voltage ring main unit, such as tools,
installation residual materials, etc.
7.2.3 MV Transformer
1. There is no crack, dent, or scratch on the transformer surface.
2. No oil leakage occurs on the transformer surface.
3. The indication of the oil level gauge of the transformer is in lower position of the normal
operating range.
4. The oil temperature indicator of the transformer is close to the ambient temperature.
a. The cover of the oil temperature meter is installed securely, the surface is clean, and
the glass is intact.
b. The temperature measurement loop is complete and intact.
5. The scale of transformer oil level indicator will show in 4 when temperature is 20℃.
6. The locking device of the pressure release valve has been removed.
7. The tap changer is set according to the requirements of the user. If there is no special
requirement, set it to the rated level (level 3).
System Manual7 Powering up and Powering down
62
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Productinformatie
| Merk | Sungrow |
| Model | MVS4500-LV |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 9056 MB |
