CVT VACUUM ON-LOAD TAP CHANGER FOR DRY TYPE TRANSFORMER
General
Type CVT vacuum on-load tap changer (hereafter refer as CVT or CVT OLTC) is a combined structure on-load
tap changer, It comprises of diverter switch and tap selector. The tap selector changes tap from one to the
adjacent without carrying current, and then the diverter switch switches under the load, the vacuum interrupters
work as arcing contacts, which enables reliable performance and long life expectancy.
CVT OLTC is applicable to dry type transformer with voltage up to 12kV, the max. rated through current 160A,
linear regulation up to 9 operation positions, regulation at any winding location of Delta or Start connection.
CVT is equipped with HMJK-10Z automatic voltage regulator for manual and automatic operation.
Model designation
Main technical data
Operation conditions
1. It should be installed in indoor.
2. The ambient air temperature for OLTC is from -25ºC to 40ºC .
3. The atmosphere humidity is not higher than 95% at 25ºC .
4. There shall be no gas, steam or chemical dust which may seriously affect the insulation of the tap changer
on site, or any explosives gas which may cause the explosion.
5. There shall be no serious vibrations on site.
Company Profile:
Main product line: Tap changer and HV switchgear
Tap changer manufacturing with fullest vertical integration
Tap Changer Products Range On-Load Tap Changer
:
* Conventional OLTC for transformer with voltage up to 765kV
*Vacuum OLTC for oil transformer with voltage up to 765kV
*Vacuum OLTC for dry transformer with voltage of 72.5kV
Off-Circuit Tap Changer
* Application for the transformer with voltage up to 765kV
Trading show
Our Services
| 1. |
Pre sale service |
| a. |
make technical solution |
| b. |
send quotation, technical data sheet and drawing |
| c. |
prepare power transmission plan, testing plan and shipment plan |
| 2. |
In sale service |
| a. |
supervise the manufacturing schedule totally in accordance with the plan |
| b. |
send photos to customer during every manufacturing process(hold point) |
| c. |
inform the customer one week before testing. |
| 3. |
After sale service |
| a. |
installation and commissioning, training the workers |
| b. |
quick response within 12 hours any time |
| c. |
provide 12 months guarantee period normally. |
FAQ
| 1. Q: |
What is your delivery time ? |
| A: |
Depend on the type of transformer. |
| 2. Q: |
What is your payment term? |
| A: |
30% advance by T/T , 70% before delivery by T/T or L/C or we can discuss about it. |
| 3. Q: |
What kind of standard you follow? |
| A: |
IEC, ANSI, CSA, GB, etc |
| 4. Q: |
What kind of supporting documentation you can provide normally |
| A: |
Quotation, outline drawing, manufacturing plan, quality control plan testing plan, financial report, type test report(KEMA, CESI),reference list, etc |
| 5. Q: |
What is your normal warranty period? |
| A: |
12 months after transformer operation. |
| 6. Q: |
Can u do installation and commission in user's site? |
| A: |
Yes, we can send our installation team to user's country for service. |
| 7. Q: |
Do you have any experience in this kind of transformer? |
| A: |
Yes, we can provide reference list for check. |
Our advantages:
Quality Assurance
--From the very beginning, VILLE ensures quality in every step to achieve the best quality.
Experience Sharing
--With more than 30 years' experience in power industry, VILLE brings you an optimized solution.
Global Service
--Wherever you are, VILLE global network will support and provide you with value.
Quick Response
--In response to your needs without delay, VILLE knows the value of your time.
Thanks for choosing VILLE as your reliable partner and
please trust both of us will create a brilliant future!
Audited Supplier 
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