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2000kVA Three Phase Pad Mounted Transformer
Product Description
JZP Transformer's 2000kVA, 34.5kV pad-mounted transformers are deployed in a Battery Energy Storage System (BESS) in Kern County, California, where they provide reliable auxiliary power to support various equipment within the energy storage station. Completed in May 2024 and delivered to American customers, these transformers are essential to ensuring uninterrupted operation and efficient energy storage management.
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| Ambient temperatures | Min -15.0°C, Maximum 41.0°C, 24-hour average maximum 33.0°C |
| Elevation | <3300 Feet |
| Seismic conditions: | Risk Category: II, Site Class D |
| SS = 1.28 g, S1 = 0.43 g, SMS = 1.54 g, SM1 = 1.09 g, SDS = 1.03 g,SD1 = 0.73 g |
| Nominal operating (phase-to-phase) | 34.5kV |
| Maximum operating (phase-to-phase) | 38kV |
| Winding configuration | Delta |
| Bushing rating | 600A |
| Winding insulation | 200kV BIL |
| Bushing insulation | 200kV BIL |
| Bushing qty | Six (Loop Feed) |
| Short circuit withstand | 30kA |
| Disconnect | LBOR Switch |
| Disconnect switch quantity | One (1) 3-Phase |
| Nominal operating (phase-to-phase) | 480V |
| Winding configuration | Grounded Wye |
| Winding and bushing insulation BIL | 30KV BIL |
| Short-circuit withstand | 65 kA* |
| LV bushing spade hole qty | (8) NEMA 2-hole |
| Routine overvoltage factor | 110% |
| Resistance grounded | No |
| Ground bus | Yes |
| Control circuit supply voltage | 277V AC |
| Circuit breaker specification | UL listed |
| Suitable for service entrance | Yes |
| Dimension(in) | W*D*H: 83.9*94.7*95.3 |
| Tank & Accessories | 4,630lbs |
| Oil of volume | 900Gal |
| Total Weight | 21,600lbs |
Key Features & Benefits
Efficient Power Distribution for Energy Storage
The 2000kVA transformers are designed to step down from Medium Voltage (MV) to Low Voltage (LV), making them ideal for integration with switchboards in energy storage systems. This stepdown configuration is essential for ensuring smooth and reliable power distribution to auxiliary equipment, supporting the overall efficiency of the BESS infrastructure.
Sustainable & Cost-Effective Cooling
In line with JZP Transformer's commitment to sustainability, the transformers utilize biodegradable oil as the coolant fluid. This environmentally friendly solution not only offers superior insulation properties but also supports energy efficiency.
Durability & Safety Built-In
NEMA 3R Enclosures: Our transformers are housed in NEMA 3R-rated electrical enclosures that are rainproof, iceproof, and snowproof, with built-in drainage facilities. These enclosures provide robust protection against the elements, safeguarding the internal electrical components and ensuring long-term durability even in harsh environmental conditions.
Anti-Tampering & Security Features: Designed with security in mind, the transformers feature alternate locking and latching mechanisms to prevent unauthorized access and tampering, reducing the risk of theft and ensuring safe operation at all times.
User-Friendly Design for Safety & Efficiency
The low-voltage side of the transformer features a special side-mounted design with a throat for easy connection to the switchboard. Externally mounted gauges, sample valves, and drain systems are housed in a lockable cabinet with a five-point bolt lock. This unique design allows operators to safely inspect the oil levels, test the gauges, and perform maintenance tasks without exposing themselves to high-voltage (HV) or low-voltage (LV) bushings, significantly enhancing safety and operational efficiency.
Pad mounted transformer external gauges
Advanced Monitoring & Remote Alerts
To ensure continuous, optimal performance, the transformer is equipped with oil level and temperature indicators that feature two contact points for remote monitoring. These indicators provide real-time data to operators, sending alarm signals when the oil level is too high or too low. Additionally, if the temperature of the coolant fluid exceeds 85°C, the system will trigger an alarm. Should the temperature rise above 105°C, the transformer will automatically disconnect from the grid to prevent overheating and potential damage, ensuring the safety and reliability of the system.
Quality & Compliance
JZP Transformers are manufactured in strict compliance with industry-leading standards, including UL, ANSI, IEEE, and NEMA, ensuring top-tier performance, reliability, and safety. Our commitment to quality and innovation guarantees that each transformer is built to the highest specifications, delivering dependable service across the lifespan of the equipment.
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