Zhejiang Hongyan Electric Co., Ltd. 
ENGINEERED SOLUTION
Steel & Metallurgy
Power factor correction, harmonic mitigation and voltage support for electric arc furnaces, rolling mills, cranes and high-load metallurgical production lines.
HYTBB Series Medium & High Voltage Reactive Power Compensation System – Indoor Frame Type
The HYTBB indoor frame-type medium- and high-voltage reactive power compensation system provides shunt compensation for industrial substations and distribution rooms. Fixed or automatically switched capacitor groups can be configured to match system voltage, reactive demand and harmonic conditions, improving power factor, reducing line losses and supporting steadier bus voltage.
Key Applications
Widely used in:
- Industrial substations
- Municipals and public utility power systems
- Petrochemical and refining facilities
- Mining and metallurgy
- Cement and building materials factories
- Manufacturing plants
- Data centers and commercial power systems
Perfect for heavy inductive loads and fluctuating reactive power demand.
System Advantages
✔ Strong mechanical strength and environmental adaptability
✔ Modular configuration for flexible capacity expansion
✔ Compatible with fixed and automatic compensation modes
✔ Supports detuned filtering options to mitigate harmonics
✔ Improves transformer utilization and reduces power penalties
✔ Modular configuration for flexible capacity expansion
✔ Compatible with fixed and automatic compensation modes
✔ Supports detuned filtering options to mitigate harmonics
✔ Improves transformer utilization and reduces power penalties
Available Compensation Types
- Fixed compensation (static operation)
- Automatic compensation (multi-stage control)
- Harmonic filtering compensation (detuned filtering + power factor correction)
Voltage Levels & Configuration
| System Voltage | Typical Compensation Capacity | Installation Type |
|---|---|---|
| 6 kV | Customizable | Indoor frame structure |
| 10 kV | Customizable | |
| 24 kV | Customizable | |
| 35 kV | Customizable |
Capacitor configuration and reactor detuning levels can be customized according to system harmonic conditions and target power factor.
Typical Industry Benefits
- Reduce power loss and electricity cost
- Extend transformer and equipment life
- Reduce reactive power penalties from utilities
- Improve energy efficiency rating of the plant
- Support smart grid and automation upgrades
Model Code Description
HYTBBZ-10-□/□-AKW/P6
| Code | Meaning |
|---|---|
| P | Reactance percentage (detuned filter) |
| H | Harmonic filter branch |
| W | Outdoor frame type |
| X | Outdoor enclosure / Indoor enclosure |
| K | Open-delta voltage protection |
| C | Phase-to-phase voltage differential protection |
| L | Neutral-point unbalance protection |
| A / B | Single star / Double star |
| First □ | Single capacitor rating (kvar) |
| Second □ | Total equipment rating (kvar) |
| System kV | 6 / 10 / 24 / 35 kV |
| Device type | Z: Automatic switching |
| Compensation type | L: Filtered compensation X: Fixed compensation T: Voltage-regulated compensation W: Branch wiring |
| Company code | — |
Operating Conditions
- Ambient temperature: −25°C ~ +45°C, 24-hr average ≤ +35°C
- Altitude: ≤ 2000 m (above 2000 m requires derating)
- Humidity: daily ≤ 95%, monthly ≤ 90%
- Outdoor wind: ≤ 35 m/s
- Earthquake resistance: ≤ 8 degrees
- Installation tilt: ≤ 5°
- Solar radiation: ≤ 1000 W/m²
- Environment must be free of:
- Explosive & corrosive gases
- Conductive dust
- Heavy mold contamination
- Water vapor condensation
Technical Specifications
| Item | Value |
|---|---|
| System voltage | 6–35 kV |
| Frequency | 50–60 Hz |
| Rated capacity | 150–10000 kvar (≤ 10 kV) 600–20000 kvar (35 kV) |
Selection Guide
- Detuned filter reactors placed at the power source side
- Reactance typical values: 5.0% ~ 5.1%, for 5th & 7th harmonic suppression
- For higher harmonic content: 7% ~ 9% tuning
- For ultra-high harmonic mitigation: up to 12%
- Wiring mode:
- Single or double star
- Single-star mode supports open-delta voltage protection
- Double-star supports neutral-point imbalance protection
- Single capacitor unit capacity: 50–500 kvar
Ordering Information
When placing an order, please provide:
- System rated voltage & frequency
- Required capacitor capacity & number of banks
- Harmonic characteristics and compensation mode
- Expected power factor and switching strategy
- Outdoor/indoor installation requirements
- Protection and communication function options
We offer technical support for complete project selection and design.
⭐Advantages & Benefits
✔ Improves system power factor and grid stability
✔ Reduces transformer and cable losses
✔ Enhances load capacity and utilization
✔ Flexible detuned filtering for harmonic suppression
✔ Indoor metal frame for safe and compact installation
✔ Highly reliable, suitable for heavy industry
✔ Reduces transformer and cable losses
✔ Enhances load capacity and utilization
✔ Flexible detuned filtering for harmonic suppression
✔ Indoor metal frame for safe and compact installation
✔ Highly reliable, suitable for heavy industry
Related Products
Send Inquiry
FROM EQUIPMENT TO APPLICATION
See where this equipment fits in the system
Connect product selection with the network problem it addresses and review comparable project conditions before preparing an enquiry.
Relevant Solutions
All Solutions
Application Cases
All Cases
PROJECT REFERENCE
High Voltage Compensation Unit
High-voltage power factor correction configured for an outdoor industrial distribution system with a target power factor above 0.95.
PROJECT REFERENCE
Transformer Cooling & Efficiency Project
Coordinated power-quality and thermal operating measures for a large-capacity transformer serving a variable industrial load.