Basic Information
Core
Core-type Transformer
Cooling Method
Oil-immersed Type Transformer
Winding Type
Two-winding Transformer
Certification
ISO9001-2000, ISO9001
Usage
Reactive Power Compensation
Rated Capacity
50kvar-36000kvar
Compensation Taps
9 to 25 Taps
Product Overview
Technical Scope & Benefits
- Environment Temperature: -45ºC to +55ºC
- Altitude: <4500m
- Voltage Regulation Range: 50%Un-100%Un
- Improves system power factor and reduces network losses
- Avoids penalty charges from utilities for excessive consumption
- Increases system capacity and saves cost on new installations
Working Principle
The voltage regulating type capacitors connect all capacitors to the electric network with a voltage regulator. The output reactive power is adjusted by the regulator based on the formula, ensuring precise compensation.
| Taps |
Voltage of capacitors (U) |
Output capacitors (Qc) |
| 1 | 0.6 | 0.36 |
| 2 | 0.65 | 0.42 |
| 3 | 0.7 | 0.49 |
| 4 | 0.75 | 0.56 |
| 5 | 0.8 | 0.64 |
| 6 | 0.85 | 0.72 |
| 7 | 0.9 | 0.81 |
| 8 | 0.95 | 0.90 |
| 9 | 1 | 1 |
Core Advantages
- Energy Conservation: Changes output reactive power smoothly by regulating voltage, ensuring optimal capacitor condition.
- Low Cost: Retrofitting old substations only requires adding a voltage regulator; original breakers and capacitors can be reused.
- Maintenance Free: Automatic control prevents potential risks of switching damage, reducing staff and repair costs.
Application Types
1. Compact Type: All electrical components installed in a galvanized or stainless steel cabinet. Suitable for indoor installations with limited space.
2. Outdoor Type: Installed with a protective enclosure/fence. Ideal for outdoor use and upgrading existing power transformer substations.
Our Service Features
- Quick response in pre-sales period
- Excellent production transparent service
- Reliable industrial grade quality
- Extended quality warranty for peace of mind
Frequently Asked Questions
Q1: What is the main advantage of the Step Voltage Regulator?
It allows for smooth adjustment of reactive power by regulating voltage, which is more energy-efficient and safer for equipment than traditional capacitor switching methods.
Q2: Can this equipment be used in extreme environments?
Yes, it is designed to operate in temperatures ranging from -45ºC to +55ºC and at altitudes up to 4500 meters.
Q3: How long is the product warranty?
We provide a comprehensive 24-month warranty (12+12 months) from the date of manufacture.
Q4: Is it suitable for retrofitting existing substations?
Absolutely. Our system is designed so that original circuit breakers and capacitors can often be reused, significantly lowering transformation costs.
Q5: What certifications do the products hold?
The products are manufactured under ISO9001 and ISO14001 systems and have passed national laboratory type tests.
Q6: What are the available voltage ratings?
Normal ratings range from 6kV up to 35kV, suitable for various power transformer substation requirements.
JDI Power Supply
