Fast Switching: The SVG system operates with rapid switching capabilities, allowing it to respond instantaneously to changes in load conditions. This responsiveness ensures that both leading and lagging power factors are corrected efficiently, enhancing overall system performance.
Harmonic Distortion Management: In addition to power factor correction, SVG systems are effective in addressing harmonic distortion. By actively filtering harmonics, they help maintain power quality and protect sensitive electrical equipment from potential damage caused by voltage and current distortion.

Cost Considerations:

When evaluating the SVG system, it is essential for end users to consider the following:
Fixed Minimum Sizes: SVG systems are available in fixed minimum sizes, which may not always align with the specific needs of every application. For example, if a user starts with a 100kVAr active system and later requires an additional 20kVAr, they would need to invest in another 100kVAr module, rather than a smaller, more cost-effective unit.
Expansion Costs: Expanding a fully active SVG system can be significantly more expensive compared to capacitor-based or hybrid systems. Users should take into account the potential for future growth and the associated costs when choosing a fully active solution. For systems that anticipate changes in capacity requirements, a hybrid or capacitor-based system might provide a more flexible and economical solution for scaling.

Applications:

Static Var Generator systems are particularly beneficial in environments where:
Dynamic Load Conditions: Industries with variable load requirements, such as manufacturing plants, benefit greatly from the rapid response capabilities of SVG systems.
High Power Quality Standards: Facilities that demand stringent power quality measures, including commercial buildings and data centers, utilize SVGs to mitigate harmonics and enhance efficiency.

The post Static Var Generator (SVG) Systems first appeared on Westek Electronics.

Capacitor-Based PFC System: This component provides coarse correction by compensating for the majority of the reactive power demands in an installation. It effectively switches in capacitor banks to address lagging power factor issues, operating in discrete increments.
Active Static Var Generator (SVG): The SVG complements the capacitor system by quickly addressing any small leading or lagging power factor issues that the capacitors may not fully correct. This active component reacts instantaneously to changes in power factor, enhancing overall system responsiveness and efficiency.

Advantages:

Comprehensive Correction: The hybrid system effectively tackles both large and small reactive power demands, ensuring that the power factor remains within acceptable limits at all times.
Harmonic Mitigation: One of the significant benefits of the SVG is its capability to function as a harmonic mitigation system. By actively filtering harmonics, the SVG improves power quality, reducing potential disturbances that can affect sensitive equipment and overall system performance.

Applications:

Hybrid PFC systems are ideal for a variety of applications, including:
Industrial Facilities: Where both reactive power correction and harmonic mitigation are crucial for the efficient operation of machinery.
Commercial Buildings: To ensure high power quality and compliance with utility requirements, especially in environments with variable loads.
Renewable Energy Systems: In applications where integration with renewable energy sources necessitates enhanced power quality and stability.

The post Hybrid Power Factor Correction Systems first appeared on Westek Electronics.

The capacitor-based system monitors the power usage at the site and automatically switches in capacitor banks to compensate for the reactive power demand caused by inductive loads. This process typically operates in increments of 12.5 kVAr or 17 kVAr and can respond to changes in reactive load within 30 milliseconds. These systems are particularly effective in applications where equipment operates consistently, allowing for stable power factor correction.

Advanced Options:

For applications requiring faster response times—such as when motors quickly come under load (e.g., sawblades in sawmills)—the system can be enhanced with Thyristor switches. These switches provide quicker operation compared to traditional contactors, enabling a more immediate reaction to load changes.

Technical Specifications

General Specifications:

Product Type: Capacitor Based Power Factor Unit
Configuration: Up to 405 kVAr for standard systems and 300 kVAr for rapid systems
Design: 7-step unit with standard rearbus connection for easy hot-swapping of trays
Major Component Vendors: Rittal, KBR, Elektra, & Noark

Installed Cabinet Dimensions:

Height: 2,202 mm
Width: 792 mm
Depth: 578 mm
Weight: Over 500 kg
Operating Temperature: Up to 65ºC
Housing: Powder-coated mild steel (Rittal)

System Parameters:

Nominal Current: 1.35 x kVAr Rating
Rated Voltage: 415V
Power Frequency: 50Hz
Protective Device for Supply: 1.5 x nominal current

Performance & Mechanical Features:

Contactor: NOARK rated for tray size
Reactor: Elektra tuned at 187Hz
Operational Mode: Lagging
Switching Speed: 20 ms for rapid systems; 5-15 seconds for standard systems
Monitoring Capabilities: Modbus Communication
Cooling System: Thermostat controlled
Over Temperature Protection: Thermostat controlled

Tray (Step) Specifications:

Net Weight per Tray: Approximately 60 kg
Rated Voltage: 415/440V
Hot Swappable: Yes
kVAr Ratings Available:
Rapid Systems: 6.25, 12.5, 17, 25, 33, 50
Standard Systems: 6.25/12.5, 8.3/17, 12.5/25, 17/33, 12.5, 17, 25, 33, 50, 67
Warranty: 2 years for components, 5 years for workmanship

Applications:

Capacitor-based power factor correction systems are widely used in various industrial applications where power factor correction is crucial for operational efficiency. These include:
Motor and Pump Operations: Consistently running equipment benefits from stable power factor correction.
Manufacturing Facilities: Reducing reactive power demand improves overall energy efficiency.
Sawmills: Quick acting systems are particularly beneficial when machines experience rapid load changes.

Capacitor-based power factor correction systems provide an effective means of improving power factor, reducing energy costs, and enhancing the performance of electrical systems. Their reliability and straightforward operation make them suitable for various industrial applications, ensuring optimal efficiency and productivity.

The post Capacitor-Based Power Factor Correction Systems first appeared on Westek Electronics.

Robust Design: Engineered for superior filtering of power line disturbances, ensuring long-term reliability and durability.
No Derating Required: Harmonic compensated and protected to assure optimal performance in the presence of harmonics.
Wide Range of Impedance Options: Available in 1.5%, 3%, and 5% impedance levels to meet various application needs.
Comprehensive Current Range: Supports a full line of currents from 1A to 1,500A.
Continuous Service Factor: Reactors rated from 1 to 750 Amps are designed with a 150% continuous service factor, while those rated above 750 Amps have a 125% continuous service factor.
High Overload Rating: Capable of handling 200% of the rated current for 30 minutes and 300% of the rated current for 1 minute.
Noise Reduction: Constructed to significantly reduce audible noise, enhancing the working environment.
Multiple Cabinet Designs: Available in configurations that meet NEMA 1/2 and 3R standards, providing flexibility in installation.

Benefits:

Enhanced Power Quality: Delivers improved power quality by effectively reducing harmonic distortion and power line disturbances.
Increased Productivity: Reduces nuisance tripping and equipment shutdowns, leading to more consistent and reliable operations.
Complete Peace of Mind: Robust construction and high performance provide reliability and confidence in the system’s operation.
Versatile Application: Suitable for virtually any 4 or 6-pulse rectifier or power conversion unit, ensuring broad applicability.

Specifications:

Impedance Levels: 1.5%, 3%, and 5%
Continuous Service Factor:
• Reactors rated 1 to 750 Amps – 150% of rating
• Reactors rated above 750 Amps – 125% of rating
Overload Rating:
• 200% of rated current for 30 minutes
• 300% of rated current for 1 minute
Input Voltage Range: 208V – 690V
Current Range: 1A – 1,500A

Typical Applications:

Variable Frequency Drives (VFDs): Ensures the reliable and efficient operation of VFDs by mitigating power line disturbances.
Sensitive Equipment: Protects sensitive equipment from power quality issues that can cause damage or shutdowns.
4 or 6-Pulse Rectifiers: Provides robust filtering solutions for rectifiers, enhancing their performance and longevity.
Power Conversion Units: Suitable for a variety of power conversion applications, ensuring stable and efficient operation.

Why Choose MTE RL Line/Load Reactors?

Choosing MTE RL Line/Load Reactors means investing in a reliable and proven solution for power quality. With their robust design, high overload capacity, and wide range of applications, these reactors ensure that your equipment runs smoothly and efficiently, minimizing downtime and maintenance costs. Enhance your power quality, boost productivity, and achieve peace of mind with MTE’s RL Line/Load Reactors.

Line/Load Selection Table – 1/.75-10/7.5 HP/kw
208-690 Volts, 50/60 hz (Open Type)

Line/Load Selection Table – 15/11-100/75 HP/kw
208-690 Volts, 50/60 hz (Open Type)

Line/Load Selection Table – 125/93 750/550 HP/kw
208-690 Volts, 50/60 hz (Open Type)

The post MTE RL Line/Load Reactors first appeared on Westek Electronics.

Key Features:

dv/dt Reduction: Efficiently reduces high output voltage dv/dt from IGBT motor drives, protecting motor coil insulation from premature aging and destruction.
Motor Temperature Control: Lowers motor temperature, enhancing overall performance and reliability.
Extended Motor Life: Significantly increases the service life of electric motors, ensuring long-term reliability and reduced maintenance needs.
Compact Design: Features a compact and economic open frame design, making it easy to integrate into various systems.
High Reliability: Provides high reliability and ensures secured production uptime for mission-critical applications.
Noise Reduction: Vacuum impregnation reduces humming noise and enhances durability.
Low Impedance: Acts as an “output filter” with low impedance, ideal for processes requiring exceptional precision and reproducibility of movements.

Benefits:

Enhanced Motor Protection: Protects motor coil insulation from high dv/dt, preventing premature aging and destruction.
Improved System Reliability: Ensures high reliability and continuous operation, particularly for mission-critical applications.
Reduced Interference: Minimizes interference propagation towards neighboring equipment or lines.
Longer Motor Life: Extends the service life of motors, reducing the frequency and cost of maintenance.
Efficient Performance: Reduces converter pulse load, ensuring smooth and efficient motor operation.
Durability and Noise Reduction: Vacuum impregnation enhances durability and reduces operational noise.

Specifications:

Nominal Operating Voltage: 3×500 VAC
Rated Operating Voltage: 3×530 VAC
Rated Currents: 4 to 1100 A @ 40C
Impedance: 0.8% @ 400 V
Protection Level: Available in IP00

Typical Applications:

Servo Drives: Ensures precise and reliable operation of servo drive systems.
Closed Loop Vector Drives: Enhances performance and reliability in closed loop vector drive applications.
Motor Drive Applications with Short Motor Cables: Ideal for motor drive systems with short motor cables, ensuring efficient performance and protection.
Machinery with Servo or Torque Motors: Provides robust protection and extended service life for machinery comprising servo or torque motors.
Robots: Ensures smooth and reliable operation of robotic systems.
Pick and Place Machines: Enhances precision and reliability in pick and place machine applications.

Why Choose Schaffner RWK305 Series 3-Phase Load Reactors?

Superior dv/dt Reduction: Efficiently reduces high output voltage dv/dt, protecting motor coil insulation and extending motor life.
High Reliability: Ensures continuous operation and high reliability, particularly in mission-critical applications.
Compact and Economical: Features a compact and economical design, making it easy to integrate and install in various systems.
Noise Reduction: Vacuum impregnation reduces operational noise, enhancing durability and user experience.
Wide Range of Applications: Suitable for a variety of applications, from servo drives to robotic systems, providing robust protection and enhanced performance.

The post TE Schaffner RWK305 Series Load Reactors first appeared on Westek Electronics.

Key Features:

Smooth Voltage Conversion: Converts the rectangular PWM output voltage of motor drives into a smooth sine wave with low residual ripple, ensuring optimal motor performance.
Motor Protection: Eliminates premature motor damage caused by high dv/dt, overvoltages, cable ringing, motor overheating, and eddy current losses.
Improved Bearing Life: Enhances bearing life by reducing bearing currents caused by circulating currents.
Standards Compliance: Complies with IEC 60034-17 requirements for general-purpose motors.
Optional Protective Cover: Available with an IP20 protective cover for added safety and protection.

Benefits:

Enhanced Motor Life: Protects motors from high dv/dt and overvoltage, significantly extending their lifespan.
Reduced Maintenance Costs: Minimizes motor damage and overheating, reducing the need for frequent maintenance and repairs.
Increased System Reliability: Provides a reliable solution for motor drive systems, ensuring smooth and efficient operation.
Improved Performance: Ensures optimal motor performance by converting PWM output voltage into a smooth sine wave.
Versatile Application: Suitable for a wide range of applications, from HVAC systems to medium voltage applications.

Specifications:

Nominal Operating Voltage: 3×480 VAC
Rated Operating Voltage: 3×530 VAC
Rated Currents: 2.3 to 1000 A @ 45C
Impedance: 6% @ 400 V, 50 Hz, and rated current
Residual Ripple Voltage: <5%
Protection: Available in IP00, with an optional IP20 protective cover

Typical Applications:

HVAC Systems: Ensures efficient and reliable operation of heating, ventilation, and air conditioning systems.
Pumps: Protects pumps from high dv/dt and overvoltages, ensuring smooth operation and extended life.
Conveyors: Enhances the reliability and performance of conveyor systems by mitigating motor damage.
Compressors: Prevents overheating and overvoltage in compressors, ensuring efficient operation.
Elevators: Provides reliable protection for elevator motors, ensuring smooth and safe operation.
Cranes: Enhances the performance and safety of crane motor drives.
Medium Voltage Applications: Suitable for deployment in front of step-up transformers, ensuring optimal performance.
Retrofit Installations: Ideal for retrofit installations with motor drives, providing a robust and reliable solution.
Long Motor Cables: Ensures smooth voltage conversion and motor protection in motor drives with long motor cables.
Multiple Motors in Parallel: Provides effective protection and performance enhancement for motor drives with multiple motors in parallel.

Why Choose Schaffner RWK5420 3-Phase Load Reactors?

Superior Motor Protection: Ensures comprehensive protection against high dv/dt, overvoltages, and other harmful effects.
Reliable Performance: Delivers smooth voltage conversion and optimal motor performance.
Versatile and Robust: Suitable for a wide range of applications, with options for different current ratings and protection levels.
Standards Compliant: Complies with international standards, ensuring reliable and safe operation.
Enhanced System Reliability: Minimizes motor damage and maintenance needs, ensuring continuous and efficient operation.

The post TE Schaffner RWK5420 Series Load Reactors first appeared on Westek Electronics.

Dual Functionality: Works on both the line side and load side to provide comprehensive protection for your systems.
Power Disturbance Absorption: Effectively absorbs power line disturbances that can cause damage or shut down VFDs and other equipment.
Nuisance Tripping Reduction: Reduces nuisance tripping, enhancing the reliability of your operations.
Harmonic Distortion Reduction: Minimizes harmonic distortion, contributing to improved power quality.
Long Lead Effect Minimization: Mitigates long lead effects, protecting equipment from potential damage.
Noise Reduction: Epoxy impregnated design reduces audible noise and enhances structural integrity and moisture resistance.
Multiple Cabinet Designs: Available in configurations that meet NEMA 1/2 and 3R standards, providing flexibility in installation.

Benefits:

Enhanced System Protection: Provides a robust solution for absorbing power disturbances, protecting VFDs and sensitive equipment from damage.
Improved Power Quality: Reduces harmonic distortion and power spikes, ensuring smoother operation of your systems.
Extended Equipment Life: Minimizes disturbances and noise, extending the service life of your electrical components.
Reduced Downtime: Prevents nuisance tripping and power-related shutdowns, ensuring continuous and reliable operation.
Versatile Application: Suitable for use with virtually any 4 or 6-pulse rectifier or power conversion unit.

Specifications:

Impedance Levels: Available in 1.5%, 3%, and 5% options
3% Impedance: 90% effective in spike protection
5% Impedance: Extends spike protection to 99%
Overload Rating – Line Side:
• 150% of RMS rating for 1 minute
• 200% of RMS rating for 10 seconds
Input Voltage Range: 208V – 690V
Current Range: 0.5A – 750A

Typical Applications:

Variable Frequency Drives (VFDs): Protects VFDs from power disturbances, ensuring reliable operation.
Power Conversion Units: Suitable for virtually any 4 or 6-pulse rectifier or power conversion unit.
Sensitive Electronics: Provides protection for a wide range of sensitive electronic equipment.
Industrial Machinery: Ideal for use in various types of industrial machinery, improving performance and reliability.
HVAC Systems: Ensures the smooth and efficient operation of HVAC systems by mitigating power disturbances.

Why Choose MTE RLW Line/Load Reactors?

State-of-the-Art Design: Provides advanced protection for your sensitive equipment.
Comprehensive Protection: Works on both the line side and load side to ensure maximum protection and reliability.
Economic Solution: Offers an affordable way to enhance power quality and protect your systems.
High Performance: Delivers superior performance in reducing harmonic distortion, minimizing power disturbances, and extending equipment life.
Versatile and Robust: Suitable for a wide range of applications, from VFDs to industrial machinery, with options to meet different impedance and current requirements.

400 Volts – Selection Guide

690 Volts – Selection Guide

The post MTE RLW Line/Load Reactors first appeared on Westek Electronics.

Key Features:

Harmonic Reduction: Effectively reduces harmonics on the mains side, improving overall power quality and system performance.
Commutation Notch Reduction: Minimizes commutation notches, ensuring smoother and more reliable operation of electrical equipment.
Inrush Current Limitation: Limits inrush currents, protecting your system from sudden surges and extending the life of electrical components.
Mains Disturbance Mitigation: Provides a reliable solution for mitigating mains disturbances, enhancing the stability and reliability of your system.
Economical Solution: Offers a cost-effective approach to improving power quality and protecting sensitive electronics.

Benefits:

Enhanced System Reliability: Ensures the reliability and performance of electrical consumers by reducing harmonics and mitigating disturbances.
Power Quality Compliance: Helps meet international power quality standards, ensuring compliance and optimal system operation.
Protection Against Transients: Shields motor drive electronics and DC link capacitors from mains transients, preventing damage and extending service life.
Inrush and Peak Current Reduction: Reduces inrush and peak currents, improving system stability and reducing the risk of equipment failure.
Improved Conducted LF Immunity: Enhances immunity to low-frequency conducted disturbances, preventing nuisance tripping and ensuring continuous operation.
True Power Factor Improvement: Improves true power factor, leading to more efficient energy use and reduced operational costs.

Specifications:

Nominal Operating Voltage: 3x 500 to 690 VAC
Rated Operating Voltage: 3x 450 to 760 VAC
Rated Currents: 1.52 to 871 A @ 45C
Impedance: 2% @ 690 V, 50 Hz and rated RMS current
Enclosure: Available in IP00 configuration only

Typical Applications:

Motor Drives: Ideal for protecting and enhancing the performance of motor drives in various applications.
Oil and Gas: Ensures reliable operation and extended service life of equipment in the oil and gas industry.
Robotics: Enhances the performance and reliability of robotic systems by mitigating harmonics and transients.
Machinery: Suitable for a wide range of machinery, providing protection against power quality issues.
Process Automation: Ensures smooth and reliable operation of process automation equipment.

Why Choose Schaffner RWK3062 Series 3-Phase Line Reactors?

Reliability: Delivers reliable performance, protecting your equipment and ensuring continuous operation.
Cost-Effective: Provides an economical solution for power quality improvement and equipment protection.
Compliance: Helps you meet international power quality standards, ensuring compliance and optimal system performance.
Versatility: Suitable for a wide range of applications, from oil and gas and robotics to machinery and process automation.

The post TE Schaffner RWK3062 Series Line Reactors first appeared on Westek Electronics.

Key Features:

Harmonic Reduction: Effectively reduces harmonics on the mains side, improving power quality and system performance.
Commutation Notch Reduction: Minimizes commutation notches, ensuring smoother operation of electrical equipment.
Inrush Current Limitation: Limits inrush current, protecting your system from sudden surges and extending the life of electrical components.
Mains Disturbance Mitigation: Provides a reliable solution for mitigating mains disturbances, enhancing overall system reliability.
Economical Solution: Offers a cost-effective approach to improving power quality and protecting sensitive electronics.

Benefits:

Enhanced System Reliability: Ensures the reliability and performance of electrical consumers by reducing harmonics and mitigating disturbances.
Power Quality Compliance: Helps meet international power quality standards, ensuring compliance and optimal system operation.
Protection Against Transients: Shields motor drive electronics and DC link capacitors from mains transients, preventing damage and extending service life.
Inrush and Peak Current Reduction: Reduces inrush and peak currents, improving system stability and reducing the risk of equipment failure.
Improved Conducted LF Immunity: Enhances immunity to low-frequency conducted disturbances, preventing nuisance tripping and ensuring continuous operation.
True Power Factor Improvement: Improves true power factor, leading to more efficient energy use and reduced operational costs.

Specifications:

Rated Operating Voltage: 3x 340 to 530 VAC
Rated Currents: 1.76 to 1010 A @ 45C
Impedance: 4% @ 400 V, 50 Hz and rated RMS current
Enclosure: Available in IP00 configuration only

Typical Applications:

Motor Drives: Ideal for protecting and enhancing the performance of motor drives in various applications.
HVAC Systems: Ensures reliable operation and extended service life of HVAC equipment.
Robotics: Enhances the performance and reliability of robotic systems by mitigating harmonics and transients.
Machinery: Suitable for a wide range of machinery, providing protection against power quality issues.
Process Automation: Ensures smooth and reliable operation of process automation equipment.

Why Choose Schaffner RWK3044 Series 3-Phase Line Reactors?

Reliability: Delivers reliable performance, protecting your equipment and ensuring continuous operation.
Cost-Effective: Provides an economical solution for power quality improvement and equipment protection.
Compliance: Helps you meet international power quality standards, ensuring compliance and optimal system performance.
Versatility: Suitable for a wide range of applications, from HVAC and robotics to machinery and process automation.

The post TE Schaffner RWK3044 Series Line Reactors first appeared on Westek Electronics.

Affordable Performance: The Matrix E-Series provides the performance you expect from a Matrix filter without unnecessary complexity, offering a cost-effective solution for harmonic management.
Essential Harmonic Distortion Mitigation: Effectively mitigates unwanted harmonic distortions, ensuring system stability and reliability.
Flexible and Compact Design: The flexible design and compact form factor make integration and installation easy in various applications, saving space and time.
Service Life Extension: Extends the service life of electrical equipment by reducing stress and preventing damage caused by harmonic distortions.
Easy Integration: Designed for easy integration into existing systems, making it suitable for retrofit applications as well.

Specifications:

Service Load Condition: 6-pulse rectifier only
Input Voltage: 380V – 415V +/- 10%; 50 + 0.75Hz; 3-phase
Current Range: 6A – 320A (1.1 KW – 150 KW)
Maximum THID:
• With DC Link Choke or Reactor: 8% @ full load; 12% @ 40% load
• Without DC Link Choke or Reactor: 12% @ full load; 17% @ 40% load
Enclosure: Available in open panel configuration.

Applications:

Ideal for managing harmonic distortions generated by Variable Frequency Drives (VFDs) and other equipment, ensuring system stability and reliability.
Suitable for a wide range of industries and applications where harmonic mitigation is essential to prevent equipment damage and downtime.

Why Choose MTE Matrix庐 E-Series Passive Harmonic Filters?

Affordability: Provides cost-effective harmonic mitigation without compromising on performance.
Reliability: Ensures system stability and reliability by mitigating unwanted harmonic distortions effectively.
Easy Installation: Compact and flexible design makes integration and installation hassle-free.
Service Life Extension: Protects electrical equipment, extending service life and reducing maintenance costs.
Industry Applications: Suitable for various industrial and commercial applications where harmonic management is critical.

Amps Rating: 380V-415V, Open Panel

The post MATRIX E-Series Passive Harmonic Filter first appeared on Westek Electronics.