Présentation de notre module AHF 150A

Un module de filtre harmonique actif (AHF) de 150 A est un type spécifique d' AHF conçu pour gérer et compenser une qualité d'alimentation jusqu'à 150 ampères. Ce module est utilisé pour améliorer la qualité de l'énergie en réduisant la distorsion harmonique, la compensation de la puissance réactive et le déséquilibre des systèmes électriques. Voici un aperçu détaillé de ses installations, fonctionnalités, principes de fonctionnement, applications et avantages :

Type d'installation des modules AHF

L'installation des modules de filtre harmonique actif (AHF) peut varier en fonction de l'application, de la configuration du système et des exigences spécifiques du système électrique. Voici les types d’installation courants et les considérations pour les modules AHF :

1.Installation murale

Description : Les AHF peuvent être installés sur les murs, en particulier dans les zones à espace au sol limité.

Applications : Convient aux petits systèmes ou lorsque l' AHF est utilisé pour filtrer les harmoniques pour une charge ou une section spécifique d'une installation.

Considérations : Assurez-vous que le mur peut supporter le poids du module AHF et fournit une ventilation adéquate.

2. Installation au sol

Description : Les AHF peuvent être montés au sol, généralement dans une salle électrique dédiée ou à proximité des panneaux de distribution principaux.

Applications : Convient aux grands systèmes ou installations avec plusieurs charges génératrices d'harmoniques.

Considérations : Assurez-vous que le sol peut supporter le poids et fournir suffisamment d'espace pour la ventilation et l'accès à l'entretien.

3. Installation sur panneau ou armoire

Description : Les AHF peuvent être intégrés dans des panneaux électriques existants ou logés dans des armoires autonomes.

Applications : Idéal pour les nouvelles installations ou les mises à niveau où l' AHF doit être intégré à d'autres composants électriques.

Considérations : Assurer une bonne intégration avec la conception du panneau et un espace suffisant pour la ventilation et le refroidissement.

4. Installation en rack

Description : Les AHF peuvent être montés dans des racks standard de 19 pouces, couramment utilisés dans les centres de données et les environnements informatiques.

Applications : Convient aux centres de données et aux environnements où l'espace rack est disponible.

Considérations : Assurer un refroidissement et une accessibilité adéquats pour la maintenance au sein du système de rack.

Caractéristiques d'un module AHF 150A

1. Capacité de courant : Capable de compenser jusqu'à 150 ampères de courant harmonique.
2. Plage d'atténuation des harmoniques : généralement conçue pour filtrer les harmoniques jusqu'au 50ème ordre harmonique (2,5 kHz).
3. Voltage Rating: Compatible with a range of voltage levels, commonly used in low and medium voltage systems.
4. Power Electronics: Utilizes advanced power electronics components like IGBTs (Insulated Gate Bipolar Transistors) or MOSFETs for fast and efficient current injection.
5. Control Unit: Includes a sophisticated control unit for real-time harmonic analysis and compensation.
6. User Interface: Equipped with an interface for monitoring and control, often with communication protocols for integration with building or industrial automation systems.
7. Compact Design: Generally has a compact form factor, allowing for easy installation in existing electrical panels or enclosures.
8. Protection Features: Includes various protection mechanisms such as overcurrent protection, overvoltage protection, and thermal protection to ensure reliable operation.

How a 150A AHF Module Works

1. Measurement: Current sensors measure the load current and send data to the control unit.
2. Harmonic Analysis: The control unit performs a real-time analysis to detect the harmonic components present in the load current.
3. Compensation Calculation: Based on the analysis, the control unit calculates the compensating current needed to cancel out the detected harmonics.
4. Current Injection: The power converter generates the required compensating current and injects it into the system, effectively neutralizing the harmonic currents.
5. Feedback Loop: The system smoothly monitors the effectiveness of the compensation and adjusts the injected current as necessary to ensure optimal harmonic mitigation.

Applications of a 150A AHF Module

• Industrial Facilities: Used in manufacturing plants with heavy machinery and equipment that generate harmonics, such as variable frequency drives (VFDs), welders, and furnaces.
• Commercial Buildings: Improves power quality in buildings with significant non-linear loads from HVAC systems, lighting, and office equipment.
• Data Centers: Ensures reliable operation of sensitive IT equipment by maintaining high power quality.
• Renewable Energy Systems: Mitigates harmonics in solar and wind power installations caused by inverters and other power electronic devices.
• Transportation Systems: Enhances power quality in electric railways and metro systems.

Benefits of a 150A AHF Module

1. Improved Power Quality: Reduces harmonic distortion, resulting in cleaner power and improved voltage stability.
2. Enhanced Equipment Lifespan: Protects sensitive equipment from the adverse effects of harmonics, such as overheating and premature failure.
3. Increased System Efficiency: Reduces losses associated with harmonic currents, improving overall energy efficiency.
4. Regulatory Compliance: Helps meet power quality standards and regulations, avoiding penalties and ensuring reliable operation.
5. Reduced Maintenance Costs: Minimize equipment losses caused by harmonics, thereby reducing maintenance costs.

Example Scenario

Consider a manufacturing plant with several large motors and VFDs. These devices generate significant harmonic currents, leading to voltage distortion and potential issues with sensitive equipment.

1. Installation: We can install 150A AHF modules in the plant’s main distribution panel.
2. Monitoring: The AHF smoothly monitors the load currents and detects harmonics in real time.
3. Compensation: Active harmonic filter AHF injects compensating currents to cancel out the harmonics dynamically , ensuring stable power supply.
4. Result: AHF can Improv power quality leads to better performance and longevity of equipment, reduce energy losses, and compliance with power quality standards.

Technical Specifications (400V)

• Current Rating: 150A
• Voltage Rating: 400V (or specified based on application)
• Harmonic Mitigation: Up to 50th harmonic order (2.5 kHz)
• Response Time: <5 ms
• Efficiency: >97%
• Cooling: Forced air cooling
• Operating Temperature: -10°C to +50°C
• Protection: Overcurrent, over-voltage, thermal protection, over temperature protection,etc.
• Communication: Modbus, Ethernet, or other protocols for integration with monitoring systems

Installation and Integration

1. Site Assessment: AHF modules can perform a site assessment to determine the harmonic levels and identify the optimal installation point for the AHF module.
2. Sizing: Ensure the 150A rating is sufficient to handle the harmonic currents in the system. Multiple AHF modules can be used in parallel for higher capacities.
3. Wiring: Properly wire the AHF module to the electrical system, ensuring it is connected to measure and inject currents accurately.
4. Configuration: Configure the control unit for the specific application, setting parameters for harmonic compensation, protection, and communication.
5. Testing: Conduct initial testing to verify the AHF module’s performance and ensure it effectively mitigates harmonics.

In summary, a 150A Active Harmonic Filter module is a powerful tool for improving power quality in systems with significant harmonic currents. By dynamically compensating for harmonics, it enhances system efficiency, protects equipment, and ensures compliance with power quality standards.

Installation Considerations

1. Location Selection

Choose a location that is close to the main source of harmonics or the point of common coupling (PCC) in the power system.

Ensure the location provides easy access for installation, maintenance, and monitoring.

2. Ventilation and Cooling

AHFs generate heat during operation, so adequate ventilation or cooling systems must be in place.

Ensure there is sufficient airflow around the AHF module to prevent overheating.

3. Electrical Connections

Connect the AHF module to the power system according to the manufacturer’s instructions, typically involving connections to the supply bus and load bus.

Use appropriately rated cables and protection devices to ensure safe and reliable operation.

4. Grounding and Bonding

Proper grounding and bonding are essential for the safe operation of AHF modules.

Follow the manufacturer’s guidelines and local electrical codes for grounding requirements.

5. Protection and Safety

Install overcurrent protection devices (e.g., fuses or circuit breakers) to protect the AHF module and the electrical system.

Ensure compliance with all relevant safety standards and regulations.

6. Communication and Integration

If the AHF module includes communication capabilities, integrate it with the building management system (BMS) or energy management system (EMS) for remote monitoring and control.

Configure communication protocols as required, such as Modbus, Ethernet, or other specified protocols.

Installation Process

1. Site Assessment and Planning

Conduct a thorough site assessment to understand the harmonic levels and identify the optimal installation points.

Develop an installation plan considering the electrical layout, ventilation, and accessibility.

2. Preparation

Prepare the installation site by ensuring it is clean, clear of obstructions, and meets all structural and electrical requirements.

Verify that all necessary tools and materials are available.

3. Mechanical Installation

Mount the AHF module on the wall, floor, panel, or rack as planned.

Secure the module in place using appropriate mounting hardware.

4. Electrical Installation

Make the necessary electrical connections to the power system, following the manufacturer’s wiring diagram and local electrical codes.

Connect the control and communication cables as required.

5. Commissioning

Power up the AHF module and perform initial checks to ensure proper operation.

Configure the module settings, including harmonic compensation levels, protection parameters, and communication settings.

Test the system to verify that the AHF module effectively mitigates harmonics and improves power quality.

6. Monitoring and Maintenance

Surveillez régulièrement les performances du module AHF via l’interface utilisateur ou le système de communication intégré.

Planifiez une maintenance périodique pour nettoyer, inspecter et tester le module afin de garantir un fonctionnement fiable et continu.

En résumé, l'installation des modules AHF implique une planification minutieuse, une préparation appropriée du site et le respect des directives du fabricant et des codes électriques locaux. En sélectionnant le type d'installation approprié et en vous assurant que toutes les considérations nécessaires sont prises en compte, vous pouvez déployer efficacement des modules AHF pour améliorer la qualité de l'énergie et protéger votre système électrique.