The GGJ low voltage intelligent reactive power compensation switchgear, manufactured by Jinhand Electrical in China, is designed to address the specific needs of power grids. Utilizing intelligent control technology, it automates reactive power compensation under harmonic conditions and filters harmonics as per user requirements. This enhances power quality, reduces losses, and improves power factor. Suitable for power distribution systems in industries such as electricity, metallurgy, petrochemicals, and construction, our equipment has proven its superior design and performance across various projects.
1. Intelligent Control Technology: Incorporates advanced intelligent control for automatic switching of reactive power compensation, enhancing operational efficiency.
2. Harmonic Filtering: Effectively filters out harmonics based on user requirements, improving the overall power quality and reducing grid pollution.
3. Power Factor Improvement: Provides capacitive reactive power to the system, significantly improving the power factor and reducing energy losses.
| tanφ1 | Before compensation | To obtain the required COSφ2 Kilometers of capacitors required per kilowatt load | ||||||||||
| cosφ1 | cosφ2=0.7 | cosφ2=0.75 | cosφ2=0.8 | cosφ2=0.82 | cosD2=0.85 | cosD2=0.87 | cosφ2=0.9 | cosφ2=092 | cosφ2=0.95 | C0Sφ2=097 | cosφ2=1.00 | |
| 4.9 | 0.2 | 3.88 | 4.02 | 4.15 | 4.2 | 4.28 | 4.33 | 4.41 | 4.47 | 4.57 | 4.65 | 4.9 |
| 3.87 | 0.25 | 2.85 | 2.99 | 3.12 | 3.17 | 3.25 | 3.31 | 3.39 | 3.45 | 3.54 | 3.62 | 3.87 |
| 3.18 | 0.3 | 2.16 | 2.3 | 2.43 | 2.48 | 2.56 | 2.61 | 2.7 | 2.75 | 2.85 | 2.93 | 3.18 |
| 2.68 | 0.35 | 1.66 | 1.79 | 1.93 | 1.98 | 2.06 | 2.11 | 2.19 | 2.25 | 2.35 | 2.43 | 2.68 |
| 2.29 | 0.4 | 1.27 | 1.41 | 1.54 | 1.59 | 1.67 | 1.72 | 1.81 | 1.87 | 1.96 | 2.04 | 2.29 |
| 2.16 | 0.42 | 1.14 | 1.28 | 1.41 | 1.46 | 1.54 | 1.59 | 1.68 | 1.74 | 1.83 | 1.91 | 2.16 |
| 2.04 | 0.44 | 1.02 | 1.16 | 1.29 | 134 | 1.42 | 1.47 | 1.56 | 1.62 | 1.71 | 1.79 | 2.04 |
| 1.93 | 0.46 | 0.91 | 1.05 | 1.18 | 1.23 | 1.31 | 1.36 | 1.45 | 15 | 1.6 | 1.68 | 193 |
| 1.83 | 0.48 | 0.81 | 0.95 | 1.08 | 1.13 | 1.21 | 1.26 | 1.34 | 1.4 | 1.5 | 1.58 | 1.83 |
| 1.73 | 0.5 | 0.71 | 0.85 | 0.98 | 1.03 | 1.11 | 1.17 | 1.25 | 1.31 | 1.4 | 1.48 | 1.73 |
| 1.64 | 0.52 | 0.62 | 0.76 | 0.89 | 0.94 | 1.02 | 1.08 | 1.16 | 1.22 | 1.31 | 1.39 | 1.64 |
| 1.56 | 0.54 | 0.54 | 0.68 | 0.81 | 0.86 | 0.94 | 0.99 | 1.07 | 1.13 | 123 | 1.31 | 1.56 |
| 1.48 | 0.56 | 0.46 | 0.6 | 0.73 | 0.78 | 0.86 | 0.91 | 1 | 1.05 | 1.15 | 123 | 1.48 |
| 1.4 | 0.58 | 0.38 | 0.52 | 0.65 | 0.71 | 0.78 | 0.84 | 0.92 | 0.98 | 1.08 | 1.15 | 1.4 |
| 1.33 | 0.6 | 0.31 | 0.45 | 0.58 | 0.64 | 0.71 | 0.77 | 0.85 | 0.91 | 1 | 108 | 1.33 |
| 1.27 | 0.62 | 0.25 | 0.38 | 0.52 | 0.57 | 0.65 | 0.7 | 0.78 | 0.84 | 0.94 | 101 | 127 |
| 1.2 | 0.64 | 0.18 | 0.32 | 0.45 | 0.5 | 0.58 | 0.63 | 0.72 | 0.77 | 0.87 | 0.95 | 1.2 |
| 1.14 | 0.66 | 0.12 | 0.26 | 0.39 | 0.44 | 0.85 | 0.57 | 0.65 | 0.71 | 0.81 | 0.89 | 114 |
| 1.08 | 0.68 | 0.06 | 0.2 | 0.33 | 0.38 | 0.46 | 0.51 | 0.59 | 0.65 | 0.75 | 0.83 | 1.08 |
| 1.02 | 0.7 |
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0.14 | 0.27 | 0.32 | 0.4 | 0.45 | 0.54 | 0.59 | 0.69 | 0.77 | 1.02 |
| 0.96 | 0.72 |
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0.08 | 0.21 | 0.27 | 0.34 | 0.4 | 0.48 | 0.54 | 0.63 | 0.71 | 0.96 |
| 0.91 | 0.74 |
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0.03 | 0.16 | 0.21 | 0.29 | 0.34 | 0.42 | 0.48 | 0.58 | 0.66 | 0.91 |
| 0.86 | 0.76 |
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0.11 | 0.16 | 0.24 | 0.29 | 0.37 | 0.43 | 0.53 | 0.6 | 0.86 |
| 0.8 | 0.78 |
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0.05 | 0.1 | 0.18 | 0.24 | 0.32 | 0.38 | 0.47 | 0.55 | 0.8 |
| 0.75 | 0.8 |
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0.05 | 0.13 | 0.18 | 0.27 | 0.32 | 0.42 | 0.5 | 0.75 |
| 0.7 | 0.82 |
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0.08 | 0.13 | 0.21 | 0.27 | 0.37 | 0.45 | 0.7 |
| 0.65 | 0.84 |
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0.03 | 0.08 | 0.16 | 0.22 | 0.32 | 0.4 | 0.65 |
| 0.59 | 0.86 |
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0.03 | 0.11 | 0.17 | 0.26 | 0.34 | 0.59 |
| 0.84 | 0.88 |
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0.06 | 0.11 | 0.21 | 0.29 | 0.54 |
| 0.48 | 0.9 |
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0.06 | 0.16 | 0.23 | 0.48 |
| 0.48 | 0.92 |
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0.1 | 0.18 | 0.43 |
| 0.36 | 0.94 |
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0.03 | 0.11 | 0.36 |
| 0.29 | 0.96 |
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0.01 | 0.29 |
| 0.2 | 0.98 |
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0.2 |
1. Tailored Design for Power Grids: Specifically designed to meet the needs of various power grid environments, ensuring effective performance in real-world applications.
2. Versatile Applications: Suitable for use in power distribution systems across industries such as electricity, metallurgy, petrochemical, construction, machinery, and mining.
3. Loss Reduction: Contributes to lowering energy losses and eliminating harmonic hazards, promoting a cleaner and more efficient power grid environment.
1. Adaptive Intelligent Control Algorithm: Uses adaptive control strategies based on fuzzy logic or neural networks to analyze load variations and harmonic content in real-time, dynamically optimizing capacitor switching strategies for optimal compensation.
2. Multiple Harmonic Mitigation Modes: Supports various modes including pure compensation, filtering compensation, and hybrid compensation. Can perform active or passive filtering for characteristic harmonics such as the 3rd, 5th, 7th, and 11th orders, meeting different power quality requirements.
3. Comprehensive Capacitor Switching Protection: Equipped with overvoltage, overcurrent, undervoltage, temperature, and harmonic limit protection. Utilizes thyristor switching or hybrid switch technology to achieve inrush-current-free capacitor switching, extending equipment lifespan.
4. Integrated Monitoring & Communication: Features a built-in high-definition touchscreen for real-time display of key parameters like power factor, voltage, current, and total harmonic distortion (THD). Supports RS485 and Ethernet communication, compatible with protocols such as Modbus and IEC 61850 for easy integration into energy management systems.
5. Modular & Expandable Design: Employs standardized power modules and filter modules, allowing flexible addition or removal based on compensation capacity and filtering needs. Supports future expansion and functional upgrades.
Q1: Can the GGJ switchgear be used in applications with many variable frequency drives (VFDs)?
A: Yes. This product is specifically designed to handle harmonics generated by nonlinear loads like VFDs, offering strong harmonic suppression and reactive power compensation capabilities.
Q2: Does the control strategy support phase-segregated compensation?
A: Yes. The intelligent controller enables phase-segregated detection and compensation, which is particularly suitable for power distribution systems with three-phase load imbalance.
Q3: Does it have data logging and energy efficiency analysis functions?
A: Yes. The device can log historical power quality data and compensation switching records, and generate power factor trend charts and energy consumption analysis reports.
Q4: What is the protection level? Is it suitable for high-temperature environments?
A: The standard protection level is IP30, with higher levels available upon request. The operating temperature range is -5°C to +40°C. For high-temperature environments, enhanced ventilation or wide-temperature components are recommended.
Q5: Do you provide design and simulation services for compensation schemes?
A: Yes, we do. Based on user system parameters and power quality test data, we can provide compensation scheme design and simulation analysis to ensure rational configuration and achieve desired results.
The high caliber of our work has allowed us to form enduring commercial bonds in over 30 countries, and we are consistently rated highly by our clients.
Jinhand has emerged as one of the leading manufacturers and suppliers of electrical equipment in China after more than a decade of development. Our factory has adopted numerous advanced technologies and equipment. We invite you to purchase high-quality, competitively priced products made in China from us.
Address
No. 188, Wei 15th Road, Yueqing City, Wenzhou City, Zhejiang Province, China
