OULU EV510A-0075G/0110P-T4 Three Phase AC VFD Frequency Converter 17A 11kW

The OULU EV510A-0075G/0110P-T4 is a high-performance, three-phase AC variable frequency drive (VFD) designed for precise motor control in demanding industrial applications. This robust unit offers advanced vector control capabilities, enhanced overload capacity, and a compact, stable design, making it a superior choice for optimizing machinery performance and energy efficiency. It's engineered to provide reliable operation across a wide range of temperatures, from -10°C to +40°C, ensuring consistent performance even in challenging environments. The EV510A series represents an upgrade from previous OULU VFD models, featuring improved load-bearing capabilities and enhanced operational stability.

Product Specifications

| Parameter                | Specification                                                                     |

| :----------------------- | :-------------------------------------------------------------------------------- |

| Model                    | EV510A-0075G/0110P-T4                                                             |

| Phase                    | Three Phase                                                                       |

| Rated Voltage            | 380V                                                                              |

| Input Frequency          | 50/60Hz                                                                           |

| Output Current           | 17A                                                                               |

| Rated Power              | 7.5kW (10HP) / 11kW (15HP)                                                        |

| Output Frequency         | 0-500Hz (Vector Control & V/F Control)                                            |

| Speed Control Accuracy   | ±0.5% (SVC), ±0.02% (FVC)                                                         |

| Overload Capacity        | 150% for 60 seconds, 180% for 3 seconds                                           |

| Carrier Frequency        | 0.8kHz-12kHz (auto-adjustable)                                                    |

| Control Modes            | Open-loop Vector (SVC), Closed-loop Vector (FVC), V/F Control                     |

| Starting Torque          | 0.5Hz/150% (SVC), 0Hz/180% (FVC) for G type; 0.5Hz/100% for P type                |

| Speed Range              | 1:100 (SVC), 1:1000 (FVC)                                                         |

| Ambient Temperature      | -10°C to +40°C                                                                    |

| Ambient Humidity         | <95% RH (non-condensing)                                                          |

| Altitude                 | <1000m (derated if higher)                                                        |

Core Features & Market Positioning

The OULU EV510A-0075G/0110P-T4 distinguishes itself in the industrial VFD market through its advanced current vector control (SVC and FVC) capabilities, offering exceptional speed and torque precision. This advanced control algorithm ensures smooth motor operation and rapid response to load changes, a critical advantage in applications demanding high accuracy. Its robust overload capacity of 150% for 60 seconds and 180% for 3 seconds allows it to handle transient peak loads without tripping, thereby enhancing system reliability and uptime. The unit's compact structure and improved heat dissipation contribute to its superior carrying capacity and stable performance, positioning it as a reliable, high-value solution for sophisticated automation systems. Furthermore, the integration of dual fieldbus connectivity (RS485/CANlink) and optional encoder support facilitates seamless integration into existing industrial networks and complex control architectures.

Key Application Scenarios

Engineered for versatility, the OULU EV510A-0075G/0110P-T4 excels in a broad spectrum of industrial applications where precise motor speed and torque control are paramount. It is ideally suited for automated production equipment, precision packaging lines, laboratory automation, textile machinery, papermaking equipment, wire drawing machines, machine tools, and food processing machinery. The VFD's ability to manage variable loads makes it particularly effective for driving fans and pumps, offering significant energy savings through optimized speed regulation. Its suitability for applications requiring high starting torque and accurate speed maintenance makes it a go-to component for manufacturers seeking to enhance production efficiency and product quality.

Practical System Integration Guidance

Integrating the OULU EV510A-0075G/0110P-T4 into an industrial system requires careful attention to wiring and parameter configuration. For basic operation, connect the three-phase power supply to the L1, L2, and L3 input terminals. The motor power cables should be connected to the U, V, and W output terminals. Ensure proper grounding of both the VFD and the motor for safety and optimal performance. For motor control, digital inputs can be configured for start/stop commands and forward/reverse operations. Speed control can be managed via the onboard potentiometer, analog voltage (0-10V) or current (0-20mA) inputs, or through digital communication protocols like RS485.

When commissioning, it is crucial to perform motor auto-tuning. This process, often initiated through the VFD's keypad or parameter settings, allows the drive to learn the motor's specific characteristics for optimal performance. Key parameters to configure include acceleration and deceleration times, carrier frequency, and motor protection settings. The manual for the EV510A series provides detailed guidance on parameter setup for various control modes, including SVC, FVC, and V/F control, enabling users to fine-tune the drive for their specific application requirements.

Operation and Risk Mitigation

Safe operation of the OULU EV510A-0075G/0110P-T4 necessitates adherence to established safety protocols. Always ensure the power is disconnected before performing any wiring or maintenance. The VFD is equipped with comprehensive protection features, including overcurrent, overvoltage, undervoltage, and overheat protection, to safeguard both the drive and the motor.

Common troubleshooting scenarios often involve understanding fault codes displayed on the VFD panel. For instance, an overcurrent fault may indicate motor stalling or excessive load, requiring adjustments to acceleration time or load capacity. Overheating faults typically point to inadequate ventilation or excessive ambient temperature, necessitating improved cooling or a higher-capacity VFD. Undervoltage or overvoltage faults signal issues with the input power supply. Regular inspection of wiring and a clean operating environment are vital for preventing operational disruptions and ensuring the longevity of the equipment.

Scalability & Long-Term Value

The OULU EV510A-0075G/0110P-T4 is designed with scalability and long-term value in mind. Its support for optional PG cards and dual fieldbus connectivity (RS485/CANlink) allows for integration into more complex automated systems and enables future upgrades to closed-loop control or advanced networking solutions. The ability to store multiple motor parameter sets (e.g., for two different motors) allows for quick switching between applications or motor types, enhancing operational flexibility. Oulu Electric also provides comprehensive after-sales support, including installation, commissioning, operation, and maintenance services, as well as technology upgrades, ensuring that users can maximize the return on their investment over the product's lifecycle. The company's focus on energy-saving solutions aligns with industry trends towards sustainability and operational efficiency, further contributing to the long-term value proposition of this VFD.

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Frequently Asked Questions (FAQs)

1. What are the primary advantages of the OULU EV510A-0075G/0110P-T4 VFD?

This VFD offers superior precision with advanced vector control modes (SVC and FVC). It boasts high overload capacity for demanding applications. Its compact, stable design enhances reliability and performance.

The unit provides flexible operation within a wide temperature range (-10°C to +40°C). It features robust protection mechanisms against common electrical faults.

Its advanced features facilitate integration into various automation systems. This makes it a versatile and powerful solution for industrial motor control needs.

2. What types of motors can be controlled by the OULU EV510A-0075G/0110P-T4?

The VFD is designed to control three-phase AC asynchronous motors. It supports both open-loop vector control (SVC) and closed-loop vector control (FVC).

It can also operate with traditional V/F control for simpler applications. The drive's versatility allows it to adapt to different motor characteristics.

The unit supports up to two sets of motor parameters for easy switching. This flexibility is beneficial for multi-motor applications.

3. How does the OULU EV510A-0075G/0110P-T4 handle overload conditions?

The EV510A-0075G/0110P-T4 provides significant overload capability. It can handle 150% of its rated current for up to 60 seconds.

For short, intense bursts, it supports 180% overload for 3 seconds. This prevents nuisance tripping during peak load demands.

This robust overload protection ensures continuous operation for equipment like conveyors or crushers with sudden load spikes.

4. What are the typical application areas for this VFD?

This VFD is ideal for automated production equipment. It is also used in precision packaging and lab automation tasks.

Industries like textile, papermaking, and machine tools benefit from its precise control. It's also suitable for fan and pump applications to optimize energy usage.

Its ability to deliver high starting torque makes it effective for demanding machinery. It is a versatile drive for various industrial automation needs.

5. How is the OULU EV510A-0075G/0110P-T4 installed and commissioned?

Installation involves correctly wiring the three-phase power supply and motor cables. Proper grounding of the VFD and motor is essential.

Commissioning typically includes auto-tuning the motor parameters for optimal performance. Key settings like acceleration/deceleration times are configured.

Refer to the user manual for detailed wiring diagrams and parameter setup for specific applications. Professional installation is recommended for complex systems.

6. What are common troubleshooting issues and fault codes for this VFD?

Common faults include overcurrent (motor overload/stall), overheating (poor ventilation/high ambient temp), and power supply issues (over/undervoltage).

Fault codes displayed on the panel help diagnose the specific problem. For example, an "OC" code indicates overcurrent.

Addressing these typically involves checking load, environmental conditions, and input power, or adjusting VFD parameters.

7. What control modes does the OULU EV510A-0075G/0110P-T4 support?

It supports advanced Open-Loop Vector Control (SVC) for precise speed and torque. Closed-Loop Vector Control (FVC) is also available with an optional PG card.

The drive also features traditional V/F (Volts/Hertz) control for simpler motor speed regulation tasks. This offers flexibility for different application requirements.

These control modes allow for optimized performance and energy efficiency across a wide range of motor applications.

8. Can this VFD be integrated into existing industrial networks?

Yes, the OULU EV510A-0075G/0110P-T4 supports dual fieldbus connectivity. It includes RS485 and CANlink communication interfaces.

This enables seamless integration with PLCs and SCADA systems for remote monitoring and control. Optional PG cards support closed-loop feedback.

These communication options enhance its suitability for modern industrial automation and IIoT applications.

9. What are the operating temperature and environmental requirements?

The VFD operates reliably in ambient temperatures from -10°C to +40°C. Derating is required for temperatures between 40°C and 50°C.

It should be installed indoors, away from direct sunlight, dust, and corrosive gases. Humidity should be below 95% RH, without condensation.

These environmental conditions ensure the longevity and stable performance of the VFD. Proper ventilation is crucial.

10. What is the power and current rating of the OULU EV510A-0075G/0110P-T4?

This model is rated for 380V three-phase power input. It has an output current rating of 17A.

The drive supports motor capacities of 7.5kW (10HP) and 11kW (15HP), depending on the specific designation (G/P). This covers a significant range of industrial motor sizes.

Its power and current ratings make it suitable for medium to heavy-duty industrial applications requiring robust motor control.