Gurugram
+918076792323

'line double conversion igbtbased pwm inverter'

Items tagged with 'line double conversion igbtbased pwm inverter'

product image
Vertiv Hiplus 80-800 KVA Online Ups

UPS Renting Services HIPULSE UPS (80-800 KVA) It is a range of uninterruptible power supply (UPS) systems manufactured by a company called HIPULSE. These UPS systems are designed to provide reliable and continuous power protection for a wide range of applications, from small to large-scale industrial and commercial environments. The HIPULSE UPS range typically covers a power capacity range of 80-800 kilovolt-amperes (kVA). Most of Benefits from Universal Power System: Features: On-Line Double C???onversion IGBT-based PWM Inverter Wide input voltage tolerance (+15 / -15%) Wide input frequency tolerance (45Hz-65Hz) Capability to handle: - High crest factor loads - 100% non-linear loads - 100% unbalanced loads Built-in maintenance bypass (Single and 1+N Models) Common battery sharing kit (optional) with 1+1 configuration Built-in maintenance bypass (Single and 1+N Models) Modular design of inverter bridge for higher rated UPS modules like 600 & 800 kVA UPS Renting Services UPS Renting Services S7400 UPS (10-400 KVA) THE S7400 UPS IS A SERIES OF UNINTERRUPTIBLE POWER SUPPLY (UPS) SYSTEMS MANUFACTURED BY AN UNDISCLOSED COMPANY. THESE UPS SYSTEMS ARE DESIGNED TO PROVIDE RELIABLE AND CONTINUOUS POWER PROTECTION FOR A WIDE RANGE OF APPLICATIONS. THE S7400 SERIES TYPICALLY COVERS A POWER CAPACITY RANGE OF 10 KVA TO 400 KVA. Features: High performance IGBT PWM(Pulse Wave Modification) technology for pure sinewave output LBS configuration for super critical loads True parallelability up to six modules Netcom kit for remote monitoring BMS Connectivity through modbus Remote alarm monitor (RAM) Hardware for Fault Diagnostic Unit (FDU), data logger and power monitoring software Communication card for dial-up monitoring UPS Series 7400 The Series 7400 UPS offers True On-line Field Proven UPS system to maximize Uptime of your Critical Application. The Series 7400 offers a wide range from 10 kVA to 750 kVA single phase systems. The Series 7400 UPS System has a proven track - record of unmatched reliability to support your sensitive and costly equipment, offering maximum availability to virtually any application. The Series 7400 is carefully designed to address the “load power factor” (0.7 lagging upwards) and “non linearity” that critical applications demand. In-built output isolation transformer To offer galvanic isolation between your critical application and the Mains, while feeding the load through the Inverter. Battery Circuit Breaker (BCB): To ensure “Safety” and to protect your “Battery Life”, unlike using DC Isolator. Usage of BCB is much safer in terms of personal hazards on a running system than a DC Isolator. Under Voltage Trip coil of BCB prevents deep-discharging of battery, which cannot be achieved by a DC Isolator. RS-232 Serial port : For carrying out on-line monitoring of Alarm and Status. Optional attachments such as IBM-AS 400 Interface Card/ Relay Interface Card help you to integrate the UPS with your network effectively. High efficiency performance High reliability to maximise system availability Handles 3:1 crest factor loads without de-rating

Send Message
product image
Emerson 3-Phase Ups In Manesar

Emerson 3-Phase UPS (Uninterruptible Power Supply) systems are high-quality, reliable power backup solutions typically used in industrial, commercial, and critical infrastructure applications. These systems are designed to provide uninterrupted power to sensitive equipment, preventing downtime due to power interruptions, voltage fluctuations, or other electrical issues. Key Features of Emerson 3-Phase UPS: Power Capacity: 3-Phase UPS systems come in a wide range of power capacities, generally from 10 kVA to 800 kVA or even higher, depending on the model. Suitable for medium to large-scale facilities like data centers, hospitals, manufacturing plants, and office buildings. Technology: Double Conversion Online Technology: Emerson’s 3-phase UPS systems typically use online double conversion technology, meaning that the inverter constantly supplies clean, regulated power to the load while the battery is charging. Efficiency: High-efficiency models (up to 96% or more) reduce energy consumption and operating costs. Battery Management: Integrated advanced battery management for monitoring health, charge, and backup times. High Availability: Designed to provide reliable power for mission-critical applications. Hot Swappable Batteries: In some models, batteries can be replaced without shutting down the UPS, ensuring uninterrupted power supply. Scalability: Many models allow for modular expansion, meaning you can add additional capacity as needed. Input/Output Voltage: Input Voltage: Common input voltages are 380V, 400V, and 415V (3-phase). Output Voltage: Typically 208V, 220V, 230V, or 400V for 3-phase systems, depending on the regional power grid standards. Power Factor: Emerson UPS systems usually have a high power factor of 0.9 or higher, improving efficiency. Advanced Features: LCD/LED Display: Provides real-time data on UPS status, battery health, load levels, and alarms for easy monitoring. Remote Monitoring: Allows remote access for monitoring via web or SNMP (Simple Network Management Protocol) for real-time alerts and diagnostics. Bypass Capability: If maintenance is required or the UPS is malfunctioning, the system can transfer to bypass mode to avoid downtime. Design and Durability: Compact Design: Many models are designed to be space-efficient without compromising on power or cooling needs. Rack-Mountable or Tower Formats: Depending on the installation space, Emerson offers both tower-style and rack-mounted designs. Thermal Management: These UPS systems typically include advanced cooling systems to maintain efficient operation and prevent overheating. Applications: Data Centers: Ensures uptime for servers and networking equipment. Industrial Equipment: Protects critical machinery and automated systems from power failures. Telecommunications: Keeps communication systems running without interruption. Hospitals: Supports life-saving equipment and systems that require constant power. Commercial Buildings: Ensures backup power for office systems and equipment. Maintenance and Service: Smart Battery Testing: Advanced systems monitor the health of batteries and alert users when maintenance or replacement is required. Serviceable Parts: Emerson provides comprehensive support and service contracts to ensure your UPS remains in optimal condition. Proactive Monitoring: With remote monitoring and diagnostic tools, faults can be detected before they impact operations. Popular Models: Emerson (now part of Vertiv) offers various UPS models under different series, such as: Vertiv Liebert® ITA2: A high-efficiency 3-phase UPS solution for small to medium-sized applications. Vertiv Liebert® EXL S1: A modular UPS system that offers scalability and high availability. Vertiv Liebert® NXL: A large capacity 3-phase UPS designed for data centers and industrial applications. Advantages of Emerson 3-Phase UPS: High Reliability: Ensures critical equipment remains powered during power failures or fluctuations. Advanced Technology: Features like online double conversion, modular design, and remote monitoring provide superior performance and flexibility. Energy Efficiency: Many Emerson UPS systems are highly efficient, reducing operating costs and environmental impact. Scalability: As your power requirements grow, Emerson's modular systems can easily expand to meet increased demand. Conclusion: Emerson 3-Phase UPS systems are excellent solutions for businesses and facilities that require high uptime and reliability. With their advanced features, efficient energy use, and robust design, they provide essential power protection for critical infrastructure. Whether you're in need of a UPS for a small office or a large data center, Emerson offers scalable and reliable power backup systems that ensure uninterrupted operation.

Send Message
product image
All Types Of Ups & Batteries Repair And Maintenance Of Ups

Repair and maintenance of UPS (Uninterruptible Power Supply) systems and batteries are crucial for ensuring their reliability and longevity. Below is a comprehensive overview of the types of UPS systems, batteries, and the associated repair and maintenance practices. Types of UPS Systems Offline/Standby UPS: Description: Provides basic protection; switches to battery during a power outage. Maintenance: Regular battery checks and replacement every 3-5 years. Line-Interactive UPS: Description: Offers voltage regulation and battery backup; ideal for environments with frequent voltage fluctuations. Maintenance: Inspect and test the battery and inverter regularly; check for dust accumulation. Online Double-Conversion UPS: Description: Provides continuous power and isolates equipment from power issues. Maintenance: More complex; requires regular inspection of internal components, battery health checks, and firmware updates. Modular UPS: Description: Scalable systems that allow for adding or removing modules based on power needs. Maintenance: Regular checks on each module, ensuring proper connections and functionality. Types of Batteries Used in UPS Lead-Acid Batteries: Types: Sealed Lead Acid (SLA), Absorbent Glass Mat (AGM), Gel. Maintenance: Regularly check electrolyte levels (for non-sealed types), clean terminals, and test for capacity. Lithium-Ion Batteries: Description: Increasingly used due to longer life and lighter weight. Maintenance: Monitor battery management systems (BMS) for health and performance; check for firmware updates. Nickel-Cadmium (NiCd) Batteries: Description: Used in specific applications; known for durability. Maintenance: Regularly test for capacity and perform equalization charging. Repair and Maintenance Practices 1. Routine Inspections Visual Checks: Inspect for physical damage, corrosion, or loose connections. Environmental Conditions: Ensure the UPS and batteries are in a suitable environment (temperature, humidity). 2. Battery Maintenance Testing: Conduct regular load tests and capacity tests to assess battery health. Cleaning: Clean terminals and connections to prevent corrosion. Replacement: Replace batteries as per manufacturer recommendations (typically every 3-5 years for lead-acid). 3. UPS Maintenance Firmware Updates: Keep the UPS firmware updated for optimal performance. Component Checks: Inspect capacitors, fans, and other internal components for wear and tear. Cooling System: Ensure that cooling fans are operational and that vents are not blocked. 4. Emergency Procedures Testing: Regularly test the UPS under load conditions to ensure it functions correctly during an outage. Documentation: Maintain records of all maintenance activities, repairs, and battery replacements. 5. Professional Servicing Scheduled Maintenance: Engage professional services for comprehensive inspections and repairs, especially for complex systems like online UPS. Emergency Repairs: Have a plan in place for rapid response to UPS failures, including access to spare parts. Conclusion Regular maintenance and timely repairs of UPS systems and batteries are essential for ensuring uninterrupted power supply and protecting sensitive equipment. By following a structured maintenance schedule and engaging professional services when necessary, you can significantly extend the lifespan and reliability of your UPS systems and batteries. For specific service providers or detailed maintenance plans, consider reaching out to local UPS service companies or manufacturers for tailored solutions.

Send Message
product image
5kva

The Vertiv Liebert GXT5 5kVA UPS is an online double-conversion uninterruptible power supply designed for critical infrastructure protection. It operates at 5kVA/5kW with user-selectable output voltages of 208V and 120V. This UPS features continuous power conditioning, ensuring that connected equipment is safeguarded against power disturbances and outages. Here are the key details: Key Features Power Rating: 5kVA / 5kW Input/Output Voltage: 208V in / 208V out (also supports 120V out) Power Factor: High power factor (0.9-1.0) allows for more connected loads, optimizing space and cost Design: Tower/rack mountable for flexible installation Remote Monitoring: Equipped with a built-in Vertiv RDU101 communications card for remote monitoring Software Support: Compatible with Vertiv Power Insight software for consolidated monitoring of up to 100 UPS units Runtime Options: Scalable runtime with external battery cabinets for extended backup during outages Certification: ENERGY STAR 2.0 certified for energy efficiency Display: Intuitive gravity-sensing full-color LCD display for easy status monitoring Additional Information Applications: Suitable for both centralized and edge locations, protecting critical equipment in various environments Warranty and Support: On-site service and advanced exchange service options available after remote diagnosis, ensuring quick resolution of issues Conclusion The Vertiv Liebert GXT5 5kVA UPS is a robust solution for ensuring continuous power supply and protection for critical systems, making it ideal for data centers, IT infrastructure, and other sensitive applications.

Send Message
product image
Vertiv Three Phase Online Ups

The Vertiv Online UPS systems offer a range of three-phase solutions designed for critical power applications. Here are some key models and their specifications: 1. Liebert EXS Power Rating: Up to 20 kVA Output Configuration: Configurable for three-phase (3/3) or single-phase (3/1) output Flexibility: On-site configuration allows adaptation to changing power needs Efficiency: High efficiency with double conversion technology Applications: Suitable for data centers and critical IT infrastructure 2. Liebert ITA2 Power Rating: Up to 10 kVA Design: Available in rackmount or tower configurations Reliability: Economical and efficient three-phase power for critical loads Features: High power factor and compact design 3. Liebert NX Power Rating: 40-200 kVA Scalability: Allows growth from 40 to 60 to 80 kVA, and from 80 to 100 to 120 kVA Parallel Operation: Can be paralleled for additional capacity or redundancy Efficiency: Designed for high efficiency and reliability 4. Vertiv Trinergy Power Rating: 1500-2500 kW Modular Design: High-capacity modular UPS for large applications Reliability: Maximized reliability with advanced features for critical systems 5. Liebert NXL Power Rating: Up to 800 kW Input Voltage: 480VAC, three-phase, three-wire Load Voltage: 480VAC, three-phase, three-wire in and out or four-wire in Applications: Ideal for large data centers and mission-critical environments General Features Across Models Double Conversion Technology: Ensures continuous power conditioning and protection against power disturbances High Efficiency: Designed to minimize energy costs while maximizing performance Advanced Monitoring: Many models include LCD displays for real-time monitoring and diagnostics Flexible Configurations: Options for tower or rackmount installations to suit various environments Conclusion Vertiv\'s three-phase UPS systems provide robust and reliable power protection for critical applications, ensuring the availability and integrity of essential systems in data centers and other mission-critical environments.

Send Message
product image
6 KVA POWERBANK

The Vertiv 6kVA PowerBank UPS is typically part of Vertiv's On-Line or Line-Interactive power protection solutions that integrate battery backup systems designed to maintain a continuous supply of power in the event of an outage. These UPS systems are ideal for applications where consistent power quality and uptime are critical, such as for medium to large businesses, IT infrastructure, and high-demand environments like data centers. Although "PowerBank" is a brand name or marketing term used by Vertiv for specific models of UPS systems (often focused on extended battery runtimes or integrated external batteries), detailed product specifications and the exact model can vary. Below is a general overview of the Vertiv 6kVA PowerBank UPS based on the series features typically associated with Vertiv's offerings. Key Features and Specifications: 1. Topology: Double Conversion On-Line: Provides the highest level of protection by continuously filtering and conditioning the incoming utility power. It delivers pure sinewave output, making it suitable for sensitive equipment that requires high-quality power. The On-Line topology ensures zero transfer time in case of power failure because the UPS system is always supplying power from the inverter. 2. Power Rating: 6kVA / 6000VA (Provides backup for medium-sized systems or higher power applications like small-to-medium server rooms, network systems, and critical equipment). 3. Output Power: Output Power: 4.8 kW to 5.4 kW (depending on load and configuration) 4. Input and Output Specifications: Input Voltage: 110V - 300V, wide input range for handling fluctuations without switching to battery mode. Output Voltage: 230V ± 2% (standard in most countries) 5. Waveform Type: Pure Sinewave Output: Ensures that the connected equipment receives a smooth and continuous power supply without the distortions found in some lower-quality UPS systems. 6. Battery Configuration: Battery Type: Typically Sealed Lead-Acid (SLA) or Valve-Regulated Lead-Acid (VRLA) batteries. Battery Capacity: Typically, 12V batteries with 18Ah, 24Ah, or higher capacities. The system may include external battery modules (Battery Banks) for extended runtime, making it suitable for larger power demands and longer backup times. External Battery Packs: Some models support additional external battery cabinets, which allow the UPS to run longer during extended outages. This is especially important for environments where power failures may last for an extended period. 7. Charging Time: Typically, the system will fully recharge in around 4-6 hours, depending on battery size and environmental conditions. 8. Backup Time (Runtime): The backup time can range from 20 minutes to several hours, depending on the load. For example, a 50% load (about 3 kVA or 3000W) will generally offer a longer runtime. A full load of 6kVA will typically provide 10-15 minutes of backup time. If the UPS is configured with external battery packs, the runtime can be extended for much longer periods, making it ideal for critical systems that require extended protection during power outages. 9. Cooling System: The UPS is equipped with fan-assisted cooling to ensure efficient heat dissipation and prevent overheating during extended use. 10. Display and Monitoring: LCD Display: Displays real-time information about UPS status, battery health, load capacity, input/output voltages, battery runtime, and other important parameters. Audible Alarms: Alerts for conditions such as low battery, overload, power failure, and system faults. Smart Battery Management: Ensures optimal battery health and extends the lifespan of the UPS. 11. Connectivity and Interfaces: USB/Serial Ports: For communication with a connected computer or server for monitoring and management. SNMP Slots: Some models may offer SNMP (Simple Network Management Protocol) support for remote monitoring and management via networked devices. Dry Contact Interface: Allows integration with building management or alert systems. Optional Software: Available for automated shutdown in the event of prolonged power outages, and event logging. 12. Form Factor: Tower or Rackmount (depending on the specific model and user preferences). Some models are available in rackmount configurations for server rooms and data centers, while others are more suitable for a tower setup. 13. Additional Features: Overload Protection: Safeguards against exceeding the UPS's rated capacity. Short-Circuit Protection: Provides defense against electrical faults. Automatic Voltage Regulation (AVR): Ensures that the UPS compensates for voltage fluctuations (e.g., brownouts or overvoltages) without resorting to battery backup.

Send Message
product image
6 KVA UPS

The Vertiv 6kVA UPS models are available in both the SB (Standby) and LB (Line-Interactive) series, as well as other more advanced series, such as the On-Line (Double Conversion) series, which are designed for higher power loads and more demanding applications. Below is a breakdown of the 6kVA UPS options from Vertiv, highlighting the SB, LB, and other potential variants, including their key features, specifications, and ideal use cases. Vertiv 6kVA LB (Line-Interactive) Series UPS The LB Series for 6kVA is more advanced than the SB Series, using a Line-Interactive topology that corrects voltage fluctuations without switching to battery power. This is ideal for environments where power stability is critical, and provides more reliable protection for sensitive equipment. Key Features: Topology: Line-Interactive Power Rating: 6kVA / 6000VA Output Power: 4200W - 5400W (depending on model) Input Voltage: 140V - 300V (wider input range than SB series) Output Voltage: 230V ± 10% Waveform Type: Simulated Sinewave (or Pure Sinewave, depending on model) Battery Type: Sealed Lead-Acid (SLA) or VRLA Battery Capacity: 12V, 18Ah, 24Ah, or higher (depending on model) Charging Time: 4-6 hours for full charge Backup Time (Runtime): 10-30 minutes depending on load (e.g., 50-70% load) Cooling: Fan-assisted cooling for high-efficiency operation Interfaces: USB/Serial ports (with optional software for remote monitoring and automatic shutdown) Form Factor: Tower or Rackmount (depending on specific model) Additional Features: Automatic Voltage Regulation (AVR): Helps correct voltage fluctuations (e.g., brownouts or surges) without using battery power Cold Start: Can be turned on without mains power (useful during power failures) LCD/LED Display (on some models): Real-time monitoring of UPS status, battery level, load capacity, etc. Overload, short-circuit, and low-battery protection Smart battery management to extend battery life and improve performance Audible alarms for low battery, overload, and fault events Advanced monitoring and remote management (via optional software) Ideal Use Case: Small-to-medium-sized servers, network equipment, and critical business infrastructure Medical equipment, point-of-sale (POS) systems, and sensitive electronics requiring stable power quality IT infrastructure in small businesses needing both battery backup and protection against power fluctuations Vertiv 6kVA On-Line (Double Conversion) Series UPS The On-Line (Double Conversion) series is the most robust and efficient series, providing true double-conversion power protection. This topology is designed to offer continuous clean and stable power to sensitive equipment, protecting it from all power disturbances including blackouts, brownouts, and voltage surges. Key Features: Topology: On-Line (Double Conversion) Power Rating: 6kVA / 6000VA Output Power: 4800W - 5400W (depending on the model) Input Voltage: 110V - 300V (wide input range) Output Voltage: 230V ± 2% (pure sinewave output) Waveform Type: Pure Sinewave Battery Type: Sealed Lead-Acid (SLA) or VRLA Battery Capacity: Typically 12V, 18Ah, or 24Ah, with external battery options for longer runtimes Charging Time: 4-6 hours for full charge Backup Time (Runtime): 20-40 minutes depending on load (e.g., 50-60% load) Cooling: Advanced fan-assisted cooling with efficient heat dissipation Interfaces: USB/Serial ports, RS-232, SNMP for remote monitoring and management Form Factor: Tower or Rackmount Additional Features: Double Conversion: Provides continuous, clean power from the UPS’s inverter, ensuring zero transfer time during power disturbances High Efficiency Mode: Switches to energy-efficient operation during stable power conditions while ensuring seamless transition to double conversion during power failure LCD/LED Display: Provides real-time status of the UPS, battery health, load capacity, etc. Remote Monitoring: Integrated SNMP or optional software for proactive monitoring and automated shutdown Overload and short-circuit protection Extended Battery Options: External battery packs for longer runtime in high-demand applications

Send Message
product image
Vertiv Online Ups

Vertiv offers a range of online UPS (Uninterruptible Power Supply) systems designed to provide reliable power protection for critical applications, including data centers, telecommunications, and industrial environments. Here’s a detailed overview of Vertiv's online UPS solutions, including key features, specifications, benefits, and maintenance practices. Vertiv Online UPS Overview Purpose: Online UPS systems are designed to ensure continuous and clean power supply by converting incoming AC power to DC and then back to AC. This process provides maximum protection against power disturbances such as surges, sags, and outages. Key Features Continuous Power Supply: Provides uninterrupted power during outages, ensuring that sensitive equipment remains operational. Double-Conversion Technology: Converts incoming AC to DC and back to AC, delivering stable and high-quality power output. High Efficiency: Many models boast efficiencies of 95% or higher, particularly in eco-mode, reducing energy costs. Scalability: Options for parallel operation allow for easy scaling of capacity by adding additional units. Advanced Battery Management: Features for monitoring battery health, optimizing performance, and extending battery life, including temperature and state of charge monitoring. User-Friendly Interface: LCD or LED displays provide real-time data on power status, battery health, and load levels. Network Management Capabilities: Integration with remote monitoring systems through SNMP, allowing for proactive management and alerts. Vibration and Shock Resistance: Designed to withstand harsh operating conditions, making them suitable for industrial environments. Flexible Input/Output Options: Supports various voltages and phases, accommodating different application requirements. Specifications (Typical) Input Voltage: 380/400/415 V (three-phase), with some models supporting single-phase. Output Voltage: 380/400/415 V (three-phase). Output Frequency: 50/60 Hz (auto-sensing). Capacity Range: Varies widely, from small systems (1 kVA) to large systems (up to 500 kVA or more). Efficiency: Typically 95% to 98%, depending on model and operating conditions. Form Factor: Available in tower or rack-mounted configurations. Benefits Reliability: Provides a stable power supply, protecting sensitive equipment from power disturbances. Improved Power Quality: Filters out electrical noise and provides clean power, which is crucial for IT and telecommunications equipment. Cost Savings: High efficiency reduces operational costs, and predictive maintenance can prevent costly downtime. Robust Performance: Designed for heavy loads and capable of maintaining performance under varying conditions. Remote Monitoring: Enables proactive management and quick response to potential issues, enhancing system reliability. Maintenance and Support Regular Inspections: Schedule periodic checks to assess the condition of the UPS and batteries. Preventive Maintenance: Includes cleaning, tightening connections, and replacing worn-out components as necessary. Battery Management: Monitor battery health, conduct load tests, and replace batteries according to manufacturer guidelines. Documentation: Maintain records of inspections, tests, and repairs to track system performance over time. Professional Support: Engage professional services for emergency repairs, technical support, and routine maintenance. Conclusion Vertiv's online UPS systems provide critical power protection for a variety of applications. With their advanced features, high efficiency, and robust design, they are ideal for ensuring reliable power in environments where uptime is essential. Proper maintenance and proactive management are key to maximizing performance and longevity. If you need more specific information about particular models, configurations, or any other aspect, feel free to ask!

Send Message
product image
UPS

The Emerson/Vertiv 1kVA UPS is a single-phase uninterruptible power supply solution that offers premium power outage protection and continuous power conditioning. It has a true online double conversion topology, ensuring high reliability and efficiency. Technical Specifications **Brand **: Emerson/Vertiv Model Name/Number: 1kVA UPS Capacity: 1kVA/ 0.8KW (1in - 1out) Input Voltage: 140-300VAC at 100% load; 100VAC - 300VAC on 50% load Output Voltage: 230VAC (single phase) Application Areas Small to Medium-Sized Businesses Home Offices Small Server Rooms Point of Sale (POS) Systems ATMs Medical Equipment Security Systems Telecom Reliability in a Compact Footprint Fully-digital control with high output voltage precision Manages all the nine power problems including sagging, spikes, and fluctuations Built-in Ethernet port includes compatibility with intelligent cards (SIC card, RDU_SIC cards, etc.,) with browser support Built-in-power charger for fast charging reduces battery charging time Prolonged backup time through cascaded connection

Send Message

Still searching for
line double conversion igbtbased pwm inverter?