Core Functions of Isolation Transformer
This oil-immersed isolation transformer adopts professional isolation winding design, with three core advantages to stabilize power system operation and reduce operating risks:
1. Complete Electrical Isolation & Safety Protection
It realizes complete electrical isolation between the primary high-voltage side and the secondary low-voltage side, cutting off the direct electrical connection of the power grid. It can effectively prevent high-voltage surge, grid leakage and zero-line drift accidents. In case of grid abnormal voltage or line failure, it can avoid the failure spreading to the terminal equipment, protect personnel electric safety, and greatly improve the safety and stability of the whole power distribution system.
2. Suppress Harmonics & Purify Power Quality
Equipped with electrostatic shielding winding and special magnetic circuit design, the transformer can effectively filter high-frequency harmonics, clutter and pulse interference in the power grid. It restrains voltage fluctuation and waveform distortion caused by industrial equipment such as frequency converters and motors, optimizes current and voltage waveform, ensures pure and stable power supply, and adapts to complex industrial power consumption scenarios with serious harmonic interference.
3. Protect Sensitive Precision Equipment
Stable isolated power supply can avoid instantaneous voltage spike, power grid impact and electromagnetic interference damage to terminal precision instruments, automated production equipment, control systems and other sensitive electrical devices. It reduces equipment failure rate and loss rate, extends the service life of precision equipment, and ensures the continuous and stable operation of industrial production and precision power consumption systems.
Specifications
|
Item |
Technical Specification |
|---|---|
|
Rated Capacity |
1000kVA |
|
Rated Voltage Ratio |
11kV / 0.433kV |
|
Phase Number |
3 Phase |
|
Cooling Method |
ONAN (Oil Natural Air Natural) |
|
Vector Group |
Dyn11 (Standard) |
|
Insulation Level |
Class H / Class F (Optional) |
|
Impedance Voltage |
4.5%~6% (Customizable) |
|
Frequency |
50Hz / 60Hz (Optional) |
|
Tap Changer |
±2×2.5% Off-circuit Tap Changer |
|
Execution Standard |
IEC 60076 International Standard |
|
Protective Structure |
Hermetically Sealed Tank, Anti-corrosion Coating |
|
Core Feature |
With Isolation Shield Winding |
Company Profile
The people of Jinshanmen consistently uphold corporate philosophy "technology as a leader, product innovation as the goal, integrity service as the goal." We are actively engaged in cutting-edge technology research and development within the industry, continuously enhancing our independent innovation capabilities and core product competitiveness to enhance brand value.
Jinshanmen sincerely looks forward to collaborating with individuals and organizations around the world to create a brilliant blueprint for the new century in the electric industry.
FAQ
Q1:Why choose an isolation transformer rather than a standard distribution transformer?
A: Standard transformers only convert voltage, while isolation transformers add independent electrostatic shielding. It realizes complete electrical isolation between primary and secondary sides, suppresses grid harmonics and voltage surges, and effectively protects personnel and sensitive equipment. This is the essential difference and core value for industrial projects.
Q2: Do my project scenarios definitely require an isolation transformer?
A: Yes for most industrial scenarios. If your site has precision automation equipment, frequent harmonic interference, unstable grid voltage, mining and factory independent power distribution systems, ordinary transformers cannot meet safety and power quality requirements. An isolation transformer is mandatory for stable and safe power supply.
Q3: Knowledge Point – What is the applicable scenario of 11kV/0.433kV specification?
A: This is a mainstream export voltage ratio, perfectly matching 400V-415V terminal equipment in Southeast Asia, Africa and Middle East. It is widely used in factory power distribution, industrial parks, small and medium substations and mining auxiliary power supply.
Q: What is your advantage compared with your competitors?
(2). Reliable Quality Control
(3). Competitive Price
(4). High Efficiency working (24*7hours)
(5). One-Stop Service
Q: Are factory visits allowed?
Q: Can you customize for clients?
