1000kva 1000kw 3 Phase Power Oil Immersed Transformer MV&HV Distribution
1000kva 1000kw 3 Phase Power Oil Immersed Transformer MV&HV Distribution for 11kv-33kv 6kv 69kv 35kv Input Voltage
1. Product Overview
The 1000kva 1000kw 3 Phase Power Oil Immersed Transformer is a heavy-duty medium voltage and high voltage distribution transformer engineered for large-scale industrial and municipal power grid operation. This 1000kVA three-phase oil-filled power transformer features multi-grade high-voltage input compatibility, supporting 6kv, 11kv, 35kv, 33kv and 69kv input voltage standards, covering mainstream MV and HV grid specifications used in global industrial parks, urban power grids and mining power systems. With rated capacity reaching 1000kva/1000kw, it delivers stable and continuous high-power power conversion, serving as core step-down and power distribution equipment for medium and large load power supply scenarios.
Manufactured in full compliance with IEC 60076 and IEEE industry standards, this MV&HV distribution transformer adopts premium low-loss silicon steel sheet core and full copper three-phase winding structure. It applies mature ONAN oil natural air natural cooling technology and fully sealed corrugated tank design, effectively solving heat accumulation and insulation aging problems during long-term full-load operation. Different from ordinary single-voltage transformers, this multi-input oil immersed transformer supports flexible matching of multiple high voltage levels, eliminating the need for customized equipment for different grid voltage standards and greatly improving engineering applicability.
Every 1000kw three-phase oil immersed power transformer undergoes strict factory testing including withstand voltage detection, load performance debugging, insulation resistance testing and harmonic resistance verification. The optimized three-phase magnetic circuit balance design minimizes magnetic flux leakage and current deviation, ensuring stable low-voltage output while maintaining low no-load loss and load loss. It is a high-reliability, energy-saving and universal heavy-duty distribution transformer widely used in modern MV and HV power distribution projects.
2. Core Purpose
The core purpose of this 1000kva multi-voltage oil immersed transformer is efficient and safe medium and high voltage power conversion and regional grid load balancing. It is mainly responsible for stepping down 6kv, 11kv, 33kv, 35kv and 69kv high and medium voltage grid power into standard usable low-voltage power, providing stable high-power electricity support for large industrial equipment and municipal centralized power loads, and bridging the voltage gap between HV/MV transmission lines and terminal power consumption equipment.
As a key unit of regional power distribution systems, this 3 phase heavy-duty power transformer undertakes the important task of optimizing grid power quality. It can effectively balance three-phase load deviation in high-load power grids, suppress voltage surge, instantaneous current impact and grid fluctuation, and reduce reactive power loss in power transmission. The low-loss structural design greatly cuts down long-term operation energy consumption, helping power supply enterprises and industrial users reduce grid operation costs and improve power transmission efficiency.
In addition, the high-strength oil insulation system of this MV&HV distribution transformer realizes physical isolation between high-voltage and low-voltage circuits. It can resist lightning surge and grid overvoltage impact, prevent electric leakage and short-circuit faults, and ensure safe and uninterrupted power supply for key industrial production, municipal infrastructure and large-scale power consumption scenarios. It also supports long-term full-load and peak-load switching operation, adapting to the complex load changes of high-power power supply systems.
3. Application Scenarios
3.1 Large Industrial Park Power Distribution
This 1000kva 3 phase oil immersed transformer is the preferred power distribution equipment for large manufacturing industrial parks, chemical plants, metallurgical factories and mechanical processing bases. These industrial scenarios have long-term high-load power consumption and require stable HV/MV voltage conversion. The multi-input voltage design of 6kv to 69kv perfectly matches the high-voltage access standards of industrial power grids in different regions, and the 1000kw high-power output can fully meet the continuous operation demand of large motors, automated production lines and heavy industrial electrical equipment.
3.2 Municipal Power Grid & Substation Projects
It is widely deployed in urban central substations, regional power distribution stations and urban grid upgrading and reconstruction projects. Municipal power grids have complex and diverse voltage grades and large centralized power load. This multi-voltage compatible MV&HV distribution transformer can flexibly adapt to 6kv, 11kv, 33kv and 35kv urban grid systems, stably convert high-voltage power into civil and commercial low-voltage power, and guarantee the safe and stable operation of urban residential electricity, commercial facilities and municipal public power systems.
3.3 Mining & Remote Heavy Industry Projects
Suitable for mining enterprises, quarry operation bases and remote field heavy industry projects that adopt 69kv high-voltage power supply standards. Remote mining areas usually adopt high-voltage long-distance power transmission, and the 69kv input matching capability of this transformer solves the voltage matching problem of high-voltage remote power supply. Its strong overload resistance and harsh environment adaptability can cope with dusty, humid and high-temperature working conditions of mining sites, ensuring continuous power supply for mining mechanical equipment and supporting facilities.
3.4 Large Commercial & Public Infrastructure
The transformer is applicable to large commercial complexes, logistics hubs, airport supporting facilities, urban sewage treatment plants and regional public service infrastructure. These scenarios feature large power consumption, concentrated load and high requirements for power supply stability and safety. The 1000kva high-capacity stable output and excellent anti-interference performance can effectively avoid power supply jitter and equipment shutdown, ensuring the stable operation of large public facilities and commercial power systems.
4. Product Features
4.1 Multi-Voltage Grade Universal Compatibility
This 3 phase oil immersed power transformer breaks the limitation of single voltage specification of traditional transformers, supporting full coverage of 6kv, 11kv, 33kv, 35kv and 69kv MV and HV input voltages. It can adapt to almost all mainstream medium and high voltage grid standards in global industrial and municipal power systems, with extremely high universality. Users do not need to customize different models according to grid voltage differences, which greatly reduces equipment procurement costs and project matching cycle.
4.2 High-Power Stable Output & Low Energy Loss
With a rated capacity of 1000kva/1000kw, the equipment meets the high-power continuous operation demand of large-load scenarios. Adopting high-permeability low-loss silicon steel core and full copper winding, it effectively reduces no-load loss and load loss during operation. The optimized three-phase balance winding process ensures uniform current distribution, stable voltage output and small fluctuation. Compared with ordinary high-power transformers, it has higher power transmission efficiency and more outstanding energy-saving effects, suitable for long-term full-load grid operation.
4.3 Excellent Insulation & Harsh Environment Adaptability
Equipped with high-purity anti-aging insulating oil and fully sealed welded corrugated steel tank, this MV&HV distribution transformer has superior waterproof, dustproof, moisture-proof and high-voltage insulation performance. The multi-layer anti-corrosion and anti-rust spraying shell resists ultraviolet erosion, rain and snow corrosion and high-temperature aging. The efficient ONAN natural cooling system ensures uniform heat dissipation without local overheating, enabling long-term stable unattended operation in outdoor substations, mining sites and industrial parks with harsh environments.
4.4 Complete Safety Protection & High Operational Reliability
Built with perfect overvoltage protection, overload protection, short-circuit protection and lightning surge resistance functions, the transformer can quickly cut off faulty circuits in case of grid abnormality or equipment overload, effectively protecting terminal high-power equipment and HV/MV grid safety. The internal winding and core structure is stable and reliable, with strong anti-harmonic and anti-interference ability, which can resist complex grid clutter and voltage impact, ensuring long-term trouble-free operation of power distribution systems.
4.5 Standardized Structure & Low Maintenance Cost
Designed with standardized overall structure and universal wiring interface, this 1000kw three-phase oil immersed transformer supports multiple installation methods such as outdoor foundation installation and substation integrated installation. The fully sealed structure avoids insulating oil deterioration and leakage, eliminating the need for frequent oil replacement and routine maintenance. It has a long service life and low later operation and maintenance costs, with extremely high cost performance for large-scale industrial and municipal power grid projects.
5. Frequently Asked Questions (FAQ)
5.1 What is the difference in application scenarios between 6kv/11kv and 33kv/35kv/69kv input voltages?
6kv and 11kv input voltages are the most common medium-voltage specifications for urban municipal power grids, ordinary industrial parks and suburban power distribution systems, suitable for conventional medium-load centralized power supply scenarios. 33kv and 35kv high-voltage inputs are mostly used for regional main grid power distribution and medium-sized industrial base projects with long power supply lines. The 69kv ultra-high input voltage is specially tailored for mining enterprises, remote heavy industry bases and large cross-regional power transmission projects with high voltage grade requirements. This multi-voltage transformer can freely switch to match different grid voltage conditions without equipment modification.
5.2 Can this 1000kva high-power oil immersed transformer operate continuously at full load?
Yes, it supports long-term full-load continuous stable operation. This 1000kw three-phase power transformer is professionally optimized for high-load working conditions, equipped with high-load resistant copper windings and efficient natural oil cooling system. The low-loss core structure effectively controls temperature rise during full-load operation, avoiding overheating and power attenuation. After strict factory full-load aging testing, it can adapt to 24-hour continuous operation of industrial high-load equipment, fully meeting the long-term power demand of large industrial and municipal key scenarios.
5.3 What are the core advantages of multi MV&HV voltage compatibility compared with ordinary single-voltage transformers?
Ordinary single-voltage transformers can only adapt to one fixed grid voltage, which is poor in flexibility and easy to cause equipment mismatch in grid renovation and cross-regional projects. This multi-input MV&HV distribution transformer covers 6kv to 69kv full mainstream voltage grades, realizing one machine for multiple scenarios. It can cope with grid voltage upgrading, regional voltage standard differences and diverse project matching demands, greatly reducing equipment replacement cost and project design cycle, and is more suitable for modern complex high-power power distribution engineering construction.
