Sergi - Transformer Protector (TP)
The Transformer Protector (TP) has several configurations of protection which mainly depend on transformer design and customer technical specifications. The Standard TP configuration is focused on offering a performant, affordable and compatible solution in order to ease its implementation without interfering to the current transformer design.
Product Details
- Eliminates Costly Plant Outages
- Prevents Fire Damage to the Transformer and Surrounding Equipment
- Prevents Environmental Pollution by Containing the Oil
- Eliminates Risk to Human Life
Saves Company Reputation
The TP is activated within 0.5 to 20 milliseconds, depending on arc location and transformer size, by the first dynamic pressure peak of the shock wave, avoiding transformer explosions before static pressure increases. The TRANSFORMER PROTECTOR (TP) complies with the NFPA recommandation of Fast Depressurization Systems for all Power Plants and Substations Transformers, under the code 850.
The Standard TP configuration is composed as follows:
- Vertical Depressurization Set fitted on transformer cover to ensure the protection of the main tank;
- Depressurization Set fitted On Load Tap Changers (OLTC);
- Depressurization Set for Bushing Turrets / Oil Cable Boxes
- Sliced Oil & Gas Separation Tank as part of the conservator
- The Pictures below show some examples of standard configurations for new transformers.
Non-Standard
This configuration is mostly applicable for small or existing transformers and can be composed as follows:
- Horizontal or 45° degrees Depressurization Sets;
- Wall or Elevated Oil & Gas Separation Tanks;
- Depressurization Set for OLTCs
- Depressurization Set for Bushing Turrets / Oil Cable Boxes
How it Work
TRANSFORMER PROTECTOR OPERATION
As shown in the video diagram above:
- The TRANSFORMER PROTECTOR activates within milliseconds depressurizing the transformer main tank.
- Once the depressurization is complete, to avoid the bazooka effect from killing maintenance technicians during tank opening, the transformer is then injected with inert gas to evacuate the remaining explosive gases.
- After the explosive gases have been cleared, the transformer is then safe and ready for repair.
The TRANSFORMER PROTECTOR is the only proven solution to transformer explosion and fire. 20 years of extensive high-level mechanical research and tests were necessary to design the TRANSFORMER PROTECTOR.
The TRANSFORMER PROTECTOR is a transformer explosion and fire prevention system suitable for any type of oil-immersed transformer and including surrounding equipment such as the On Load Tap Changer (OLTC), Oil Cable Box (OCB), and Oil Bushing Cable Box (OBCB).
TRANSFORMER PROTECTOR COMPONENTS
Watch the slideshow below to learn more about some of the components of the TRANSFORMER PROTECTOR.
Client Installations
Since 2005, the TRANSFORMER PROTECTOR has been included in the technical specifications of 171 companies in 65 countries. It currently protects thousands of transformers manufactured by 175 different transformer manufacturers and has also achieved the following:
- Thousands of TPs sold worldwide
- CEPEL, Brazil, one of the world’s top High Voltage laboratories has performed 34 successful live tests on three different large transformers
- Electricity De France (EDF), High Voltage Laboratory has performed 28 successful live tests on a small transformer
- Power-Gen Europe – Best Paper Award 2008
The NFPA recommends Fast Depressurization Systems for all Power Plant and Substation transformers the following Civil Codes which the TRANSFORMER PROTECTOR (TP) complies with:
- NFPA 850 (Recommended Practice for Fire Protection for Electric Generating Plants, High Voltage Direct Current Converter Stations and Fire Protection for Hydroelectric Generating Plants)
Financial Benefit
A GROWING CONCERN FOR CORPORATE RISK MANAGERS AND INSURANCE COMPANIES
Transformers are considered by Corporate Risk Managers and Insurers as the most critical equipment inside plants because of the large quantity of oil in contact with high voltage elements.
DAMAGE COST OF TRANSFORMER EXPLOSION AND FIRE
The cost to replace a transformer unit is several million dollars (USD) and the cost of the outage in the tens of millions (USD) with potential to reach hundreds of millions (USD). Transformer explosions and fire result in: lost income, purchase of high-priced replacement power, replacement of transformers and surrounding equipment, polluting the environment and negative public relations, etc.
The damage caused depends on the transformer location:
- Power plant incidents result in very high loss of revenue and can lead to company bankruptcies if not insured. For insurers, the projected cost reference can approach USD 500,000 per MVA.
- Transmission substation incidents can result in the complete blackout of a region or a country. Several well-known cases have been recorded recently (USA, UK, Italy, Spain, etc.).
- Distribution transformer explosions in urban areas can have disastrous financial consequences in related pollution and litigation costs.
PURCHASING THE TRANSFORMER PROTECTOR
The TRANSFORMER PROTECTOR comes with a liability insurance policy with coverage up to 15 million EUR per occurrence should an incident occur.
Equipping your transformers with the TRANSFORMER PROTECTOR:
- Decreases the risk to surrounding equipment and buildings.
- Enables the quick internal repair of the transformer and sharply reduces plant outages.
- Leaves the environment unharmed.
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