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Open Loop single phase 220V elevator Frequency Inverter

Open Loop Elevator Variable Speed Drive Frequency Inverter

Open Loop Single Phase 220V Input 3 Phase 380V Output Elevator Inverter for Smooth Operation

Open Loop Single Phase 220V to 3 Phase 380V Elevator Inverter - Precision Control & Energy Efficiency

This advanced elevator inverter transforms single-phase 220V input into stable 3-phase 380V output, delivering seamless speed regulation and torque control for passenger/cargo elevators. Its open-loop design eliminates feedback devices while maintaining operational accuracy through PWM, V/F, and vector control technologies.

- Converts single-phase 220V to 3-phase 380V with high-efficiency power transformation
- Advanced vector control & modular hardware (high-capacity capacitors) for smooth acceleration/deceleration
- Energy-saving operation adjusts power consumption based on real-time load demands
- Customizable solutions for residential/commercial buildings with 220V power supply limitations

Model:
SD310L

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Overview

Open Loop single phase 220V input 3 phase 380V output elevator inverter is a cutting - edge device designed specifically for enhancing the performance of single - phase 220V elevators.it is the special voltage output. In the realm of elevator systems, where smooth operation, energy efficiency, and reliability are of utmost importance, this frequency inverter plays a crucial role.

Unlike closed - loop systems that require additional feedback devices, the open - loop design simplifies the structure while still providing a high level of functionality. It is engineered to regulate the speed and torque of the elevator motor precisely, enabling seamless acceleration, deceleration, and stable operation at different floors. With a single - phase 220V power input and 3 phase 380V output ,it needs higher techinal for design and production.it is suitable for a wide range of elevator installations, especially in areas where this power supply is commonly available. This makes it an ideal choice for small - to medium - sized buildings, residential complexes, and commercial establishments with limited elevator requirements.

Features

Precise Speed Control

One of the key features of this frequency inverter is its ability to offer precise speed control. Through advanced control algorithms, it can adjust the motor speed according to the elevator's operational needs. Whether the elevator is moving empty or carrying a full load, the inverter can maintain a consistent and smooth speed, ensuring a comfortable ride for passengers. For example, during peak hours when the elevator is frequently in use, it can quickly and accurately adjust the speed to optimize travel time between floors.protect the motor and person.

Energy - efficient Operation

Open Loop single phase 220V input 3 phase 380V output elevator inverter is designed with energy efficiency in mind. By adjusting the motor's power consumption based on the actual load and speed requirements, it significantly reduces energy waste. This not only helps building owners cut down on electricity bills but also contributes to environmental sustainability. Compared to traditional elevator control systems, this frequency inverter can achieve energy savings of up to 30%, making it a cost - effective and green solution.it will be save energy and cost for end user,it is very easy for operation and maintenance.

User - friendly Interface

It comes with a user - friendly interface that allows for easy installation, commissioning, and maintenance. The control panel is equipped with clear LED displays and intuitive buttons, enabling technicians to quickly set parameters such as speed limits, acceleration and deceleration times, and fault diagnosis. Even for those with limited technical knowledge, the interface is straightforward enough to understand and operate easy, reducing the need for extensive training.

Reliable Protection Functions

To ensure the safety and long - term operation of the elevator system, the frequency inverter is integrated with multiple reliable protection functions. These include over - voltage protection, under - voltage protection, over - current protection, and over - temperature protection. In the event of any abnormal conditions, the inverter will automatically trigger protective actions to prevent damage to the motor and other components, safeguarding the entire elevator system.

Compatibility and Adaptability

This frequency inverter is highly compatible with a variety of single - phase 220V and output 3 phase 380V elevator motors. It can adapt to different motor characteristics, such as power ratings and winding configurations. Additionally, it can work in harmony with other elevator control components, such as door controllers and floor selection systems, to form a complete and efficient elevator control solution.

Control Mode: Sensorless Vector Control (SVC), V/F Control

Overload Capacity:good performance for protection

60s with 150% of rated current, 10s with 180% of rated current

Starting Torque: 150% of rated torque at 0.5Hz (SVC)

Speed Adjusting Range: 1:100 (SVC)

Speed Accuracy: ± 0.5% of maximum speed (SVC)

Carrier Frequency: 0.5kHz ~15.0kHz

Reference Frequency Source: keypad, analog input, serial communication, multi-step speed, PID and so on

The combination of multi- modes and switching between different modes can be realized

Torque Control Function: Provide multiple torque setting source

PID Control Function

Multi-step Speed Control Function: 8 steps speed can be set

Traverse Control Function

None-Stop when instantaneous power off

Speed trace Function: Start the running motor smoothly and stable

QUICK/JOG Key: User defined shortcut key can be realized

Automatic Voltage Regulation (AVR) Function

Automatically keep the output voltage stable when input voltage fluctuating

Up to 24 fault protections

Sepecial hardware higher value capacitance

Single phase 220V and 3 phase 380v output application

Applications

Residential Buildings

In residential buildings, especially those with a limited number of floorsOpen Loop single phase 220V input 3 phase 380V output elevator inverter is an excellent choice. It provides a smooth and comfortable ride for residents, whether they are carrying groceries, luggage, or simply commuting between floors. The energy - efficient operation also helps keep the running costs of the building's elevator system in check, which is beneficial for property management and homeowners.

Small - scale Commercial Establishments

For small - scale commercial establishments like local shops, cafes, and small offices, this frequency inverter can meet the elevator requirements effectively. It ensures that customers and employees can move between different floors conveniently and safely. The user - friendly interface makes it easy for the building management to maintain and operate the elevator, reducing the need for professional technicians for routine tasks.

Medical Facilities

In medical facilities such as clinics and small hospitals, the reliability and smooth operation of elevators are crucial for transporting patients, medical equipment, and supplies. The precise speed control and protection functions of the frequency inverter guarantee a stable and safe ride, which is essential in a medical environment where time and patient comfort are of the essence.

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Educational Institutions

Schools, colleges, and universities often have buildings with multiple floors. Open Loop single phase 220V Elevator drive vfd Inverter vfd Frequency Inverter can be installed in these buildings to provide accessible transportation for students, teachers, and staff. Its energy - saving features are also in line with the sustainable development goals of educational institutions, helping to reduce their overall energy consumption.

220V Open Loop Inverter

IGBT	STARPOWER/ INFINEON/FUJI
FAN	PELKO/NIDEC
CAPACITORS	RUBYCON/JIANGHAI
ELECTRONIC	DELTA

Open Loop single phase 220V input 3 phase 380V output elevator inverter sales point

1.I/O features.
2.Programmable Digital Input:Provide 4 terminals which can accept ON-OFF inputs.

3.Programmable Analog Input:FV can accept input of 0 ~10V; FI can accept input of 0~10V or 0~20mA.

4.Programmable Open Collector Output:Provide 1 output terminal (open collector output or high-speed pulse output)

5.Relay Output: Provide 1 output terminal.
6.Analog Output: Provide 1 analog output terminal, whose output scope can be 0/4~20 mA or 0~10 V, as chosen.

RS-485 communication interface is optional. And it completely support MODBUS communication protocol.
Provided with protection function for many malfunction: overcurrent, overvoltage, undervoltage, overheating, default phase and overload, etc.
Special application and for the special world area ,such as the 220V country,like Mexico south america and so on.
Self-learning function: completely solve the unsatisfactory problem of vector control and give full play to the performance of motor.and good suitable for ender user operation.

IFIND China Elevator /Lifts/ Escaltaors Open Loop single phase 220V input 3 phase 380V output elevator inverter product adopts the advanced Flux current vector control technology of Anchuan Motor, which is widely used in many fields and equipped with various kinds of advanced applications such as speed control, torque compensation, slip frequency compensation, energy-saving control, revolving speed tracking and self-learning that can meet the demands of clients of different industries.we are your best partner!

Product Overview

Engineered for precision and reliability, this Open Loop Single Phase 220V Input 3 Phase 380V Output Elevator Inverter is the ultimate solution for modern vertical transportation. As a leading manufacturer and dedicated supplier, we deliver advanced frequency drives designed to optimize motor performance in challenging power environments.

Seamless single-phase to three-phase power conversion
Advanced Sensorless Vector Control (SVC) algorithms
Compact, durable, and highly adaptable industrial architecture

Product Description

Step into a new era of vertical mobility with the Open Loop Single Phase 220V Input 3 Phase 380V Output Elevator Inverter. Crafted with a sleek, robust industrial casing that feels solid to the touch, this drive is engineered to silently and efficiently transform standard single-phase 220V power into a stable three-phase 380V output. When installed, the subtle hum of its premium cooling fans is barely noticeable, yet it works tirelessly to maintain optimal operating temperatures within the control cabinet. This device eliminates the frustrating electrical constraints often found in older buildings, medical facilities, or remote regions, providing a seamless solution for smooth cabin operation without the need for expensive municipal grid upgrades. By precisely regulating motor torque and speed, it eradicates the jarring stops and starts that plague outdated systems, replacing them with a fluid, whisper-quiet glide between floors. The meticulously arranged internal circuitry, featuring top-tier capacitors and heavy-duty IGBT modules, reflects a commitment to uncompromising craftsmanship. Every acceleration is calculated, and every deceleration is softly cushioned, ensuring that passengers experience nothing but a secure, stable, and exceptionally comfortable ride. This inverter does not just power a machine; it elevates the entire transit experience while safeguarding critical mechanical components from premature wear and tear.

Product Specifications

Product Name	Open Loop Single Phase 220V Input 3 Phase 380V Output Elevator Inverter
Input Voltage	Single Phase 220V
Output Voltage	3 Phase 380V
Control Mode	Sensorless Vector Control (SVC), V/F Control
Overload Capacity	150% of rated current for 60s, 180% of rated current for 10s
Starting Torque	150% of rated torque at 0.5Hz (SVC)
Speed Adjusting Range	1:100 (SVC)
Speed Accuracy	± 0.5% of maximum speed (SVC)
Carrier Frequency	0.5kHz ~ 15.0kHz
Reference Frequency Source	Keypad, analog input, serial communication, multi-step speed, PID, etc.
Multi-step Speed Control	Up to 8 steps speed can be set
Protection Functions	Up to 24 fault protections (Over-voltage, under-voltage, over-current, over-temperature, default phase, overload, etc.)
Programmable Digital Input	4 terminals (accept ON-OFF inputs)
Programmable Analog Input	FV: 0~10V; FI: 0~10V or 0~20mA
Programmable Open Collector Output	1 output terminal (open collector output or high-speed pulse output)
Relay Output	1 output terminal
Analog Output	1 analog output terminal (0/4~20 mA or 0~10 V)
Communication	RS-485 interface (optional), completely support MODBUS protocol
Core Components	IGBT: STARPOWER/INFINEON/FUJI; FAN: PELKO/NIDEC; CAPACITORS: RUBYCON/JIANGHAI; ELECTRONIC: DELTA
Special Function	Automatic Voltage Regulation (AVR), Self-learning function, Speed trace function, None-Stop when instantaneous power off

Key Features & Highlights

Discover the engineering brilliance that sets this frequency drive apart from conventional control units. Every feature has been meticulously developed to enhance operational fluidity, reduce mechanical stress, and provide a flawless transit experience. The tactile feedback of the intuitive control panel buttons and the crisp, bright LED display make configuration an absolute breeze for field technicians.

Whisper-Quiet Operation: Advanced carrier frequency adjustments (ranging from 0.5kHz to 15.0kHz) eliminate harsh motor whining, creating a serene and peaceful environment for passengers.
Unshakeable Stability: The Automatic Voltage Regulation (AVR) acts as an invisible shield, instantly smoothing out fluctuating input voltages to deliver a steady, unwavering power stream to the motor.
Instantaneous Responsiveness: Equipped with a high-speed microprocessor, the drive reacts to load changes in milliseconds, guaranteeing zero rollback during heavy-load starts.
Effortless Integration: With programmable digital and analog inputs, connecting to existing door controllers, safety relays, and floor selection systems is as simple as plugging in a cable.
Resilient Overload Handling: Built to endure rigorous daily use, it easily absorbs sudden power spikes, sustaining 150% of its rated current for a full 60 seconds without breaking a sweat.

Open Loop Single Phase 220V Input 3 Phase 380V Output Elevator Inverter Front View

Core Specifications & Grid Adaptability

Navigating the complexities of regional power grids requires a robust and adaptable power solution. This inverter is specifically engineered to conquer the unique electrical challenges found in specialized environments, ensuring your vertical transport systems never falter due to inadequate infrastructure. This ensures that building owners and facility managers do not need to invest heavily in rewiring or upgrading their local municipal power drops, saving significant capital expenditure.

Seamless Voltage Conversion: Flawlessly transforms single-phase 220V input into a robust three-phase 380V output, bridging the gap in facilities lacking industrial power lines.
Global Compatibility: Perfectly tailored for regions with 220V standards, including Latin America and various remote locations, ensuring universal application.
Versatile Deployment: The ideal powerhouse for mid-sized residential complexes, boutique commercial centers, and specialized architectural projects.
Grid Fluctuation Immunity: Built-in hardware buffers absorb grid irregularities, preventing sudden shutdowns and protecting sensitive downstream equipment.

Control Technology & Ride Comfort

The true mark of a premium transit system is the feeling of weightlessness during travel. By harnessing sophisticated algorithmic controls, this drive transforms raw electrical power into a symphony of motion, prioritizing the physical comfort of every passenger who steps inside. Passenger perception of quality is directly tied to how the cabin moves. By eliminating mechanical vibrations and acoustic noise at the source, this drive elevates the perceived value of the entire property.

Sensorless Vector Control (SVC): Delivers surgical precision in motor speed and torque management without the need for delicate external encoders.
Fluid Floor Transitions: Calculates optimal acceleration and deceleration curves, eliminating the stomach-dropping sensations associated with abrupt stops.
Dynamic Load Adaptation: Whether the cabin is empty or at maximum capacity, the drive instantly adjusts its output to maintain a perfectly uniform travel speed.
V/F Control Flexibility: Offers an alternative control methodology for specialized motor types, ensuring broad compatibility and smooth operation across various mechanical setups.

Smooth Elevator Operation in Medical Facilities and Commercial Buildings

Safety Protection & System Reliability

When it comes to vertical transportation, passenger safety is a non-negotiable absolute. This inverter serves as a vigilant guardian, continuously monitoring electrical and mechanical parameters to preemptively neutralize potential hazards before they can escalate. Facility safety protocols demand equipment that can anticipate failures. By continuously analyzing current draws and thermal outputs, this device acts as a predictive maintenance tool, alerting technicians to anomalies long before a critical breakdown occurs.

Comprehensive Fault Shielding: Armed with up to 24 distinct protection mechanisms, including over-voltage, under-voltage, and default phase defenses.
Thermal Management: Intelligent over-temperature sensors actively monitor the heat sinks, adjusting performance to prevent catastrophic thermal runaway.
Instantaneous Power-Off Recovery: The innovative none-stop function ensures the system gracefully manages sudden power losses, preventing abrupt and dangerous halts.
Current Overload Defense: Instantly detects and mitigates over-current spikes, preserving the integrity of the motor windings and extending the system's lifespan.

Premium Components & Quality Control

The foundation of enduring performance lies in the uncompromising quality of raw materials. We have meticulously sourced the finest electronic components from globally recognized technology pioneers, assembling a device that exudes durability and exceptional craftsmanship. We understand that replacing a burnt-out drive is costly and disruptive. Therefore, our commitment to using only top-tier internal electronics ensures a maximized return on investment and years of uninterrupted service life.

Elite IGBT Modules: Powered by industry-leading silicon from STARPOWER, INFINEON, and FUJI, guaranteeing highly efficient and rapid power switching.
Industrial-Grade Capacitors: Utilizing premium RUBYCON and JIANGHAI capacitors that provide immense energy reserves and resist degradation over time.
High-Velocity Cooling: Integrated with PELKO and NIDEC fans that deliver a powerful, silent airflow, keeping the core electronics perfectly chilled under heavy loads.
Rigorous Testing Protocols: Every single unit undergoes exhausting stress tests to simulate years of high-frequency operation, ensuring zero out-of-box failures.

Energy Efficient Open Loop Elevator Variable Speed Drive

Energy Efficiency & Cost Reduction

Modern infrastructure demands intelligent energy consumption. This frequency drive is not just a power regulator; it is a sophisticated energy-saving asset that actively shrinks your carbon footprint while delivering substantial financial returns over its operational lifecycle. In an era where environmental compliance is increasingly mandated by local governments, upgrading to this highly efficient drive helps properties meet strict energy audits while simultaneously freeing up budget for other maintenance needs.

Intelligent Power Scaling: Dynamically reduces electrical draw during light-load trips, preventing the wasteful energy consumption typical of older contactor-based systems.
Substantial Cost Savings: Capable of slashing energy usage by up to 30%, directly translating to significantly lower monthly utility bills for property managers.
Eco-Friendly Operation: By optimizing motor efficiency, it minimizes heat waste and electrical pollution, aligning with global green building certifications.
Extended Equipment Longevity: Smooth power delivery reduces mechanical friction and wear, drastically cutting down on expensive replacement parts and emergency maintenance.

User-Friendly & Smart Maintenance

Complex technology should not require a steep learning curve. We have completely reimagined the user interface, stripping away unnecessary complications to provide a highly intuitive, accessible, and deeply informative control experience for technicians of all skill levels. Time is a critical resource during emergency repairs. The logical menu structures and clear fault codes displayed on the screen empower maintenance crews to diagnose and resolve issues in minutes rather than hours.

Motor Self-Learning: The drive automatically maps the connected motor's characteristics, eliminating hours of tedious manual parameter tuning.
Intuitive LED Interface: Features a brightly lit, highly responsive keypad that makes navigating menus and diagnosing faults visually straightforward.
Seamless Communication: An optional RS-485 interface with full MODBUS protocol support allows for effortless integration into centralized building management networks.
Versatile I/O Terminals: Abundant programmable digital and analog inputs/outputs provide absolute flexibility for custom wiring and external sensor integration.

Customization & After-Sales Support

Every architectural project possesses its own unique set of challenges and requirements. We stand behind our engineering with a comprehensive suite of support services, ensuring that your specific operational visions are brought to life with absolute precision. From the initial consultation to post-installation optimization, our dedicated specialists work closely with your technical staff, ensuring that every parameter is perfectly aligned with your unique mechanical configurations.

Tailored Engineering Solutions: Offering extensive OEM and ODM customization to seamlessly match your proprietary branding and specific technical architectures.
Rapid Response Technical Support: Our dedicated team of engineering experts is always on standby to assist with complex commissioning or troubleshooting scenarios.
Comprehensive Warranty Protection: Backed by a robust quality guarantee that secures your investment and provides total peace of mind.
Reliable Partnership: We are committed to fostering long-term collaborative success, acting as a dependable extension of your own procurement and engineering teams.

Elevator Inverter Quality Certification and Technical Specifications

Why Choose Us

Selecting the right power control solution is a critical decision that impacts the safety, efficiency, and longevity of your entire infrastructure. As a premier manufacturer and dedicated supplier, we fuse decades of industry expertise with relentless technological innovation. Our production facilities operate under the strictest quality control mandates, ensuring that every drive that leaves our floor is a masterpiece of electrical engineering. We do not just sell components; we deliver comprehensive, reliable solutions designed to elevate your operational capabilities.

Unmatched Manufacturing Excellence: Utilizing advanced automated assembly lines to guarantee absolute consistency and precision in every unit produced.
Global Supply Chain Agility: Strategically positioned to fulfill large-scale orders rapidly, ensuring your project timelines are never compromised by logistical delays.
Pioneering R&D Division: Continuously pushing the boundaries of motor control technology to bring you the most advanced, future-proof products on the market.
Client-Centric Philosophy: We prioritize your success, offering transparent communication, competitive pricing, and unwavering post-installation support.

FAQ

To assist you in making an informed procurement decision, we have compiled answers to the most common technical inquiries regarding our frequency drives. If you require further clarification, our engineering support team is always ready to provide in-depth analysis tailored to your specific application.

1. How does the single-phase to three-phase conversion impact motor efficiency?

The conversion process is highly optimized using advanced IGBT switching technology. It smoothly synthesizes a stable 3-phase 380V waveform from a single-phase 220V source, ensuring the motor operates at peak efficiency without the torque ripples or overheating issues associated with unbalanced power supplies.

2. Can this inverter operate safely in environments with severe voltage fluctuations?

Absolutely. The built-in Automatic Voltage Regulation (AVR) function continuously monitors the incoming power line. If the input voltage drops or spikes unexpectedly, the AVR dynamically compensates, maintaining a rock-solid output voltage to protect the motor and ensure uninterrupted vertical travel.

3. What is the advantage of Sensorless Vector Control (SVC) over traditional V/F control?

SVC calculates the motor's magnetic flux and torque current in real-time without needing a physical speed sensor or encoder. This provides significantly higher starting torque (150% at 0.5Hz) and vastly superior speed accuracy (± 0.5%), resulting in a much smoother ride and better load handling compared to basic V/F control.

4. How difficult is it to program the drive for a new installation?

It is remarkably straightforward. The drive features a highly intuitive motor self-learning function that automatically identifies the motor's stator and rotor resistance, inductance, and other critical electrical parameters. Combined with the clear LED keypad, commissioning time is drastically reduced, saving valuable labor hours.

5. What happens to the system during a momentary power outage?

The inverter is equipped with a specialized "None-Stop when instantaneous power off" feature. During a brief power interruption, it utilizes the regenerative kinetic energy from the moving motor to keep the control circuitry alive. This prevents a hard fault and allows for a smooth, controlled recovery once the main power returns.