Transformer Switch /off-Circuit Pipe-Type Tap Changer
Introduction
This is an new three-phase tube-type tap changer. It is combined by the body of tap changer and an operating
turning framework, when the transformer is under non-energized state, we can turn over the tap position to
change transformer ratio and stabilize output voltage. This single phase and "1+2" phase tube-type tap
changer are suitable for installation on vertical direction, but the three-phase tube-type product is suitable for
vertical or horizontal installation.
Application
These series of products are specially designed for large or medium oil-immersed power transformer, full
hermetically transformer or transformers for specially used, they are frequency normally on 50 Hz or 60 Hz, and
suitable for flat type or bell-type oil tank, its rated voltage is up to 220kV and below, rated current up to 2000A
and below.
Technical Features
1) Simple and lively appearance, reliable structure equipped with solid construct pieces.
2) Light moment, turn over tap position clearly.
3) Design features: Body pieces are restricted each other and functioned each other. You can change the tap
position freely and exactly, compared with the same type of products, it has obvious superiority.
4) No conductors and switch cover being equipped on the outer body of product. This is a full hermetically outer
insulation screen which can withstand high voltage impulse, so no puncture discharge will rise between the
narrow gaps, even if the air gap of the tap changer is very near the achieve body of the transformer.
5) The inner constructure of the tube-- type tap changer can be drawn out as a whole part, this helps to
installation and maintenance.
6) It owned a certain of national patents right protection.
Technical parameters:
| Main performance parameter | Insulation Leve (kV) | Sealing performance (Pa/24h) | Machine Life(Ten thousand times) | Rated through current (A) | Heat Stableness current (kA/2s) | Dynamic stableness current (kA) | ||||||
| Line-frequency ( 1 min ) | ( 1.2/50 μs) | |||||||||||
| Voltage class (Kv) | Wiring mode | To ground | Inter phase | Inter contactor | To ground | Inter phase |
Inter contactor |
|||||
| 10 | Y | 48 | 48 | 48 | 150 | 115 | 85 | 6×10 4 | 2 | 250 | 5 | 12.5 |
| 400 | 6 | 15 | ||||||||||
| Delta | 48 | 48 | 18 | 150 | 150 | 85 | 500 | 7.5 | 13.75 | |||
| 35 | Y | 100 | 48 | 30 | 230 | 150 | 95 | 630 | 9.45 | 23.6 | ||
| Delta | 100 | 100 | 30 | 230 | 230 | 95 | 800 | 9.73 | 24.3 | |||
| 66 | Y | 160 | 100 | 30 | 350 | 230 | 160 | 1000 | 10 | 25 | ||
| Delta | 160 | 160 | 45 | 350 | 350 | 150 | 1250 | 12.5 | 31.25 | |||
| 110 | Y | 230 | 160 | 45 | 480 | 350 | 150 | 1600 | 16 | 40 | ||
| Delta | 230 | 230 | 55 | 480 | 480 | 175 | 2000 | 20 | 50 | |||
| 220 | 460 | *260/400 | 90 | 1100 | 1100 | 285 | 2500 | 25 | 62.5 | |||
| 3000 | 30 | 75 | ||||||||||
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 testinng. |
| 3. | After sale service |
| a. | installation and commissioning, training the workers |
| b. | quick response within 12 hours any time |
| c. | provide 12 months gurantee 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 starndard 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 wanrranty period? |
| A: | 12 months after transformer operation. |
| 6. Q: | Can u do installation and commissioningin 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!
