Overview
252 kV tank circuit breaker ensures high voltage stability and efficient fault clearing with superior insulation and arc extinguishing technology. Ideal for power grids, industrial substations, and transmission systems. Contact us for competitive pricing and solutions.
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Product Feature
Product Advantages:
- Newly designed compact GIS: The minimum interval width is 1.7 meters. The maximum equipment height is only 2.75 meters, and the standard interval occupies an area of 7.5m², leading the domestic market.
- Self-blast arc extinguishing principle breaker: Features strong breaking capacity, short arcing time, and long electrical lifespan, capable of full-capacity breaking up to 20 times. It has a simple and reliable structure.
- Hydraulic or spring operating mechanism: The circuit breaker is equipped with a hydraulic or spring operating mechanism, featuring a simple and compact structure, low maintenance workload, and a mechanical lifespan of up to 10,000 operations, ensuring high reliability.
- Modular design: Simplifies the product structure and enables flexible wiring configurations.
- Full aluminum alloy housing: Corrosion-resistant, lightweight, with low eddy current losses, compact layout, and an aesthetically pleasing appearance.
- Low radio interference: ≤500µV, suitable for installation in urban areas and residential neighborhoods.
- Strong environmental adaptability: Suitable for harsh environments, high altitudes, seismic zones, bustling urban areas, or mountain hydropower stations.
- Pre-assembled transportation: Reduces on-site installation workload and shortens installation periods.
- Online detection and intelligent control: GIS can be customized to achieve online monitoring and intelligent control according to user requirements.
Technical Parameters
| Model | LW□-252/T4000-50 | ZF39-126/T3150-40 | HGIS-40.5/T2000-31.5 |
|---|---|---|---|
| Rated Voltage | 252kV | 126kV | 40.5kV |
| Installation Location | Outdoor | Outdoor | Outdoor |
| Ambient Temperature | -38°C to +40°C | -38°C to +40°C | -38°C to +40°C |
| Altitude | Lowland model: ≤1000m, Highland model: ≤3000m | Lowland model: ≤1000m, Highland model: ≤3000m | Lowland model: ≤1000m, Highland model: ≤3000m |
| Air Pollution Level | Level IV | Level IV | Level IV |
| Ice Coating Thickness | ≤10mm | ≤10mm | ≤10mm |
| Seismic Intensity | Horizontal acceleration: 0.4g, Vertical acceleration: 0.2g | Horizontal acceleration: 0.4g, Vertical acceleration: 0.2g | Horizontal acceleration: 0.4g, Vertical acceleration: 0.2g |
| Rated Frequency | 50Hz | 50Hz | 50Hz |
| Rated Current | 4000A | 2000A / 2500A / 3150A | 2000A |
| Rated Short-Time Withstand Current | 50kA / 4s | 40kA / 4s | 31.5kA / 4s |
| Rated Power Frequency Withstand Voltage | 460kV | 230kV | 80kV |
| Rated Switching Impulse Withstand Voltage | 1050kV | 650kV | 215kV |
| Rated Lightning Impulse Withstand Voltage | 1050kV | 650kV | 215kV |
| SF6 Gas Annual Leakage Rate | ≤0.1% | ≤0.1% | ≤0.1% |
FAQs
1. What is the specific rated capacity (MVA) and voltage ratio of the transformer?
2. What are the cooling methods supported by the transformer (e.g., ONAN, ONAF)?
3. What type of insulation is used, and how does it affect the expected lifespan of the transformer?
4. Can you provide the core design details, including core material and losses?
5. What is the load loss, no-load loss, and impedance voltage?
6. What protective devices are integrated, such as Buchholz relay, oil level indicators, or temperature monitors?
7. Does this transformer comply with international and national standards (e.g., IEC, ANSI)?
8. What is the expected energy efficiency, and are there eco-friendly options available?
9. What testing and certification has the transformer undergone?
10. What are the environmental and installation requirements?
1. What is the typical lead time from order to delivery for this transformer?
2. What is included in the price (e.g., accessories, transport, installation)?
3. What are the terms and conditions of payment?
4. What customization options are available for the transformer?
5. How are transport and handling managed to prevent oil leaks or damages?
6. Are installation and commissioning services offered, and what do they include?
7. Is there a factory acceptance test (FAT) that can be attended before delivery?
8. What is the warranty period, and what does it cover?
9. How are spare parts supplied, and is there a recommended stock for critical components?
10. Does the transformer require any special tools or training for operation?
1. What maintenance schedule is recommended, and what routine services are required?
2. Is technical support available on-site, and what are the response times for emergency support?
3. What types of failure or fault diagnosis support are available?
4. How does the company handle oil testing and replacement over time?
5. Is there a remote monitoring system available for real-time performance tracking?
6. What are the procedures for disposal or recycling at the end of the transformer's life?
7.Are extended warranties or maintenance contracts available?
8. What documentation and training are provided to the operational team?
9. What is the process for upgrading or retrofitting the transformer in the future?
10.How does the supplier support in meeting any regulatory or environmental compliance post-installation?
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QC & Guarantee
Market Orientation and Service Commitment
In response to fierce market competition and to meet customer demands, our company adheres to a market-oriented approach and a customer-centric philosophy. We have earned widespread recognition from our clients through efficient, comprehensive services and superior product quality.
Our Commitments
- Product Lifespan Guarantee: The operational lifespan of our transformers is no less than 30 years.
- Strict Quality Control:
- Upon receiving bid documents, we promptly initiate the evaluation process to ensure all customer requirements are fully addressed.
- We carefully select certified suppliers and strictly follow quality management standards to control and inspect raw materials and components.
- We produce high-quality, customer-satisfactory parts in full compliance with contract and technical agreement requirements.
- After-Sales Service Commitment:
- All performance indicators and technical specifications of our transformers meet or exceed national standards.
- Within 3 years of installation and commissioning, if any oil leakage occurs due to manufacturing defects in oil-immersed transformers, we will repair it at no cost.
- For any critical component defects identified during production or issues discovered during installation, we prioritize resolution to meet project timelines, followed by thorough responsibility analysis and necessary repairs or replacements.
- We welcome customers to supervise the manufacturing process at our facility and will provide full support.
After-Sales Support
We offer comprehensive after-sales services, including free guidance for installation and commissioning. After the product is operational, if the customer requires support, our service team will respond promptly:
- Arrival on-site within 24 hours for locations within 300 km.
- Arrival on-site within 48 hours for locations beyond 300 km.
Additionally, we have established a robust regular follow-up system. We conduct periodic written or on-site visits to monitor the performance of in-service products, ensuring our customers have continuous peace of mind.
Ultimate Guide
Faster global delivery
lifespan ＞ 30 years
Why Choose us ？
engineered to perform.
Taishan Transformer is a key national-level manufacturer specializing in transformers, recognized as a “Contract-Honoring and Promise-Keeping” enterprise, a high-tech enterprise, and a national-level enterprise technology center. It is recommended in the national directory for rural and urban power grid construction and renovation, as well as a recommended supplier of major electromechanical equipment for hydropower projects. Its products have been awarded the title of “National Quality Inspection Qualified Product – Quality Trustworthy Product” and “Nationally Recognized Product for Mechanical Industry Users.
Our Project
Our products not only dominate the domestic market but are also exported to more than 30 countries and regions, including Russia, Southeast Asia, Africa, and the Americas, serving industries such as power, municipal engineering, metallurgy, and petrochemicals.
