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Open Loop Elevator Variable Speed Drive Frequency Inverter

Open Loop single phase 220V elevator Frequency Inverter

Open Loop Single Phase 220V Elevator Drive VFD Inverter for Smooth Operation

The Open Loop Single Phase 220V Elevator Drive VFD Inverter delivers precise motor control and energy-efficient operation for smooth elevator performance in residential and commercial buildings. Its advanced vector control technology ensures reliable speed regulation and enhanced safety for both passenger and cargo elevators.

- Advanced PWM & V/F vector control for improved operation accuracy
- Single-phase 220V input with 3-phase 220V/380V output compatibility
- Modular design with high-capacity components for customized solutions
- Energy-saving operation with load-adaptive power consumption

Model:
SD310L

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Overview

TheOpen Loop single phase 220V Elevator drive vfd Inverter is a cutting - edge device designed specifically for enhancing the performance of single - phase 220V elevators. 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 220V or 3 phase 380V output ,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 Elevator drive vfd 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 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 220v application

Applications

Residential Buildings

In residential buildings, especially those with a limited number of floors,Open Loop single phase 220V Elevator drive vfd 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.

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 Elevator drive vfd 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 Elevator drive vfd 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

Sourced directly from a premier manufacturer and supplier, this Open Loop Single Phase 220V Elevator Drive VFD Inverter is engineered to redefine vertical transportation. Designed for seamless integration into modern infrastructure, it delivers unparalleled motor control without the need for complex closed-loop feedback systems. Key highlights include:

Precision speed regulation for ultra-smooth passenger transit.
Robust compatibility with single-phase 220V power grids.
Energy-efficient architecture reducing operational overhead.
Industrial-grade components ensuring long-term reliability.

Product Description

Step into the future of vertical mobility with an elevator frequency inverter that transforms raw electrical power into a symphony of controlled motion. The moment this drive engages, the low, reassuring hum of the cooling fan signifies the activation of premium internal circuitry. Crafted with a sleek, industrial-grade polycarbonate housing, the unit feels robust to the touch, reflecting the rigorous engineering standards applied during its assembly. When an elevator equipped with this inverter accelerates, passengers experience a fluid, almost imperceptible transition from a standstill to cruising speed. There is no jarring sensation, no mechanical groaning—only the silent, steady ascent or descent that defines premium building infrastructure.

Open Loop Single Phase 220V Elevator Drive VFD Inverter front panel showcasing tactile buttons and LED display

Beyond its tactile and acoustic refinement, this device acts as the intelligent brain of your elevator system. By continuously analyzing load demands and motor feedback through advanced sensorless vector algorithms, it dynamically adjusts torque and voltage in milliseconds. This meticulous regulation not only extends the mechanical lifespan of the traction machine but also drastically mitigates energy waste. Whether installed in a bustling commercial complex or a quiet residential villa, the drive operates with a steadfast consistency, ensuring that every floor arrival is perfectly leveled and exceptionally smooth. It is the definitive solution for project managers and facility operators seeking to elevate passenger comfort while minimizing long-term maintenance liabilities.

Product Specifications

Input Voltage	Single-phase 220V
Output Voltage	3-phase 220V or 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	8 steps speed
Protection Functions	Up to 24 fault protections (over-voltage, under-voltage, over-current, over-temperature, default phase, overload, etc.)
Digital Input	4 programmable terminals
Analog Input	FV (0~10V), FI (0~10V or 0~20mA)
Digital/Open Collector Output	1 programmable output terminal
Relay Output	1 output terminal
Analog Output	1 analog output terminal (0/4~20 mA or 0~10 V)
Communication Interface	RS-485 (optional, supports MODBUS protocol)
Core Components	IGBT (STARPOWER/INFINEON/FUJI), FAN (PELKO/NIDEC), CAPACITORS (RUBYCON/JIANGHAI)

Key Features & Highlights

Engineered to resolve the most pressing challenges in vertical transportation, this frequency inverter combines cutting-edge computational power with rugged hardware. It is designed not just to operate an elevator, but to optimize the entire lifecycle of the installation, providing tangible benefits to facility managers and property developers.

Exceptional Ride Quality: By utilizing advanced control algorithms, the drive eliminates mechanical shuddering during start-up and stopping, delivering a ride so smooth that passengers barely register the movement.
Intelligent Energy Conservation: The system intuitively maps power consumption to the actual cabin load, drastically cutting unnecessary electrical draw and significantly lowering monthly utility expenditures.
Intuitive Human-Machine Interface: The crisp, bright LED display and tactile button matrix allow technicians to configure complex parameters with a few simple keystrokes, slashing commissioning time.
Unyielding Protective Shield: With an array of built-in safeguards, the inverter acts as an impenetrable firewall against electrical anomalies, instantly neutralizing threats like voltage spikes or phase losses before they can damage the motor.
Seamless System Integration: The flexible I/O configuration ensures that this drive can communicate flawlessly with legacy door controllers and modern floor selection systems alike, making modernization projects effortless.

Elevating Vertical Transportation: Core Advantages

To meet the rigorous demands of modern building infrastructure, this drive has been meticulously calibrated across seven critical dimensions. Each aspect is tailored to enhance operational efficiency, safety, and overall user satisfaction.

Core Control & Smoothness: Utilizing Sensorless Vector Control (SVC) and V/F control, the system delivers precise speed and torque regulation. This ensures absolute smoothness during starting, acceleration, deceleration, and leveling, completely eliminating any sensation of jerking.
Broad Adaptability & Compatibility: Engineered to accept single-phase 220V input while delivering 3-phase 220V or 380V output, it perfectly matches various elevator motors. It is the ideal solution for environments with restricted power supplies, such as residential villas, small commercial centers, and medical clinics.
Superior Safety Mechanisms: Equipped with up to 24 distinct fault protection functions—including over-voltage, under-voltage, and over-current—the drive also supports non-stop operation during instantaneous power loss, guaranteeing the utmost safety for passengers and equipment.
Premium Hardware Durability: Constructed with globally recognized components like INFINEON/FUJI IGBTs, Nidec cooling fans, and Rubycon capacitors, the internal architecture features a specialized high-capacity design to ensure unwavering stability under the most demanding conditions.
Effortless Commissioning & Maintenance: An intuitive LED operation panel paired with motor parameter self-learning capabilities drastically lowers the technical barrier for installation. The inclusion of versatile I/O terminals and optional RS-485 (Modbus) communication streamlines daily maintenance.
Economic & Energy Efficiency: Integrated Automatic Voltage Regulation (AVR) and smart power consumption tracking dynamically adjust output based on real-time loads. This innovation can yield up to 30% in energy savings compared to traditional systems, dramatically reducing operational costs.
Certified Quality & Support: Adhering strictly to international quality frameworks like ISO and CE, the product is backed by comprehensive warranties and expert technical support. Furthermore, OEM/ODM customization is available to fulfill localized market requirements for global procurement professionals.

Why Choose Us

Selecting the right manufacturing partner is just as critical as selecting the right hardware. We stand at the forefront of industrial automation, driven by a commitment to engineering excellence and client success. Our production facilities operate under the most stringent quality control protocols, ensuring that every unit shipped is a testament to reliability and advanced technology.

Our engineering representative showcasing elevator drive technology at the international Lift City Expo

Uncompromising Quality Standards: Every inverter undergoes rigorous stress testing in simulated extreme environments, guaranteeing flawless performance straight out of the box.
Global Certification Compliance: Our products are fully certified by leading international bodies, ensuring they meet the strict safety and electromagnetic compatibility directives required for global deployment.
Dedicated Technical Expertise: Our team of seasoned engineers provides comprehensive support, from initial system sizing and integration consulting to post-installation troubleshooting.
Agile Production Capabilities: We possess the manufacturing agility to accommodate large-scale rollouts and customized specifications, ensuring your supply chain remains uninterrupted and responsive to market demands.
Proven Industry Track Record: With a strong presence at major international exhibitions and a portfolio of successful installations worldwide, our reputation is built on delivering measurable results and enduring value.

Official CE Certificate of Electromagnetic Compatibility and Low Voltage Directives for Frequency Inverter

FAQ

To assist our clients in making informed procurement decisions, we have compiled a list of the most common technical inquiries regarding our elevator drive technology. Review the details below to understand how this system can integrate into your specific application.

How does the Sensorless Vector Control (SVC) improve the passenger experience?

SVC calculates the motor's magnetic flux and torque in real-time without needing an external encoder. This allows the drive to apply the exact amount of power required at any given millisecond, eliminating start-up vibrations and ensuring a perfectly smooth deceleration when approaching a floor.

Can this drive be used in regions with highly fluctuating power grids?

Yes. The inverter is equipped with an Automatic Voltage Regulation (AVR) function. When the input voltage fluctuates, the AVR system instantly compensates, keeping the output voltage to the motor stable and preventing sudden drops in performance or equipment shutdowns.

What happens if the elevator experiences a sudden power outage?

The drive features a "None-Stop when instantaneous power off" capability. By utilizing the regenerative energy from the motor's inertia, the inverter can maintain control for a brief period during micro-outages, preventing the cabin from stopping abruptly and ensuring passenger safety.

Is it complicated to configure the inverter for different motor types?

Not at all. The drive includes a comprehensive self-learning function. Once connected, it automatically measures the static and dynamic parameters of the elevator motor, optimizing its internal control algorithms to match the specific characteristics of the connected hardware.

How does the energy-saving control translate to cost reduction?

Traditional systems often draw maximum power regardless of the elevator's load. This inverter dynamically adjusts the current and voltage based on whether the cabin is fully loaded or empty. By eliminating unnecessary power draw, facility operators can see up to a 30% reduction in electricity costs related to elevator operation.