Преобразователь Chint NVF2G-5.5/TS4

Chint NVF2G-5.5/TS4 is a high-performance general-purpose (constant torque) frequency converter, specially designed for industrial drive control. It is compatible with 5.5kW three-phase asynchronous motors, supports three-phase 380V (±15%) вход, and has an output frequency range of 0~400Hz. The following is a detailed analysis of key information:

1. Основные технические параметрыChint NVF2G1.5/PS4 frequency converter
2. Контроль производительности

Бездатчиковое векторное управление: It can output 150% номинальный крутящий момент при 0,5 Гц, suitable for scenarios such as lifting and conveying that require high starting torque.

Перегрузочная способность: 150% номинальный ток для 1 минута, capable of handling short-term impact loads.

Точность регулирования скорости: Speed fluctuation ≤ ±0.5% under sensorless vector control, and V/F control accuracy ≤ ±1%.

2. Input and Output CharacteristicsЧинт-конвертеры (НВФ2Г-18,5/ТС4 или НВФ2Г-18,5/ПС4)

Диапазон напряжения: 380V±15% (то есть, 323~437V), adapting to environments with large grid fluctuations.

Frequency Range: Output frequency 0~400Hz (0~120Hz for fan and pump type), supporting multi-speed operation and PID closed-loop control.

Тормозной блок: Models below 22kW are equipped with a built-in brake unit as standard. The 5.5kW model falls into this range, so no additional selection is required.

3. Interfaces and Functions

Цифровой вход: 6 programmable terminals, supporting functions such as forward/reverse rotation, jogging, and fault reset.

Analog Input/Output: 2 аналоговые входы (0~10V/0/4~20mA) и 2 аналоговые выходы, which can be connected to sensors for precise control.

Протокол связи: Стандартный интерфейс RS485, supporting Modbus protocol, facilitating remote monitoring and networking.

1. Сценарии применения
2. Промышленная область

Constant Torque Loads: Such as cranes, конвейеры, машины для литья под давлением, и т. д.. Precise speed regulation and energy saving can be achieved through vector control.

Fan and Pump Loads: Although it is a general-purpose type, it can adapt to light-load scenarios through V/F control and automatically optimize energy consumption.

2. Adaptability to Harsh Environments

Технология защиты: Adopting three-proof paint spraying, it can resist dust, oil stains, and mild corrosive gases.

Wide Temperature Operation: No derating at ambient temperature -10~+45℃; for 45~50℃, derate by 1% for each 1℃ increase.

III. Установка и обслуживание

1. Экологические требования

Humidity and Altitude: Relative humidity ≤ 90% без конденсации; full power operation below 1000m altitude; for each 1000m increase above 1000m, derate by 10%.

Vibration and Heat Dissipation: Avoid installation in places with vibration > 5.8м/с². It is recommended to install vertically and reserve 120mm heat dissipation space.

2. Maintenance Points

Replacement of易损件: Cooling fans and electrolytic capacitors are the main易损件, and it is recommended to check them every 2~3 years.

Fault Diagnosis: Built-in more than 20 protection functions (сверхток, перегрев, потеря фазы, и т. д.), and the LED panel displays fault codes in real-time.

1. Адаптируемость к рынку Северной Америки
2. Сертификация и соответствие

– Although UL/CSA certification is not clearly marked, some Chint products have passed third-party tests. It is recommended to contact North American technical support to confirm the compliance of specific models.

Power Grid Compatibility: The input voltage range covers the North American 380V standard and can be directly connected to the industrial power grid.

1. Цена и закупки
2. Справочная цена: According to the platform of Whatsapp: 0086-13811255435, the price of NVF2G-5.5/TS4 is approximately 1400~2000 RMB, which varies depending on channels and quantities.
3. North American Procurement: It is recommended to obtain quotations through Chint’s authorized North American distributors. Some models may need to be pre-ordered, with a delivery cycle of 2~8 weeks.
4. Alternative Solutions and Upgrades

If higher performance or compliance with North American standards is required, Chint’s NVF3 series or NVF5 series frequency converters can be considered, which support higher protection levels (IP55) and more communication protocols (such as Profibus). The specific alternative models need to be selected according to application requirements.

Краткое содержание

NVF2G-5.5/TS4 has become a mainstream choice in the industrial drive field due to its high cost performance, wide voltage adaptability, and strong overload capacity. For North American users, although certification details need to be confirmed, Chint’s global service network and local support can provide reliable guarantees. It is recommended to communicate with distributors according to specific application scenarios to obtain customized solutions.

The detailed technical parameters of Chint NVF2G-5.5/TS4 frequency converter are as follows:

1. Electrical Performance Parameters
2. Входные характеристики

Диапазон напряжения: Three-phase 380V±15% (323~437V), supporting North American industrial power grids.

Frequency Range: 47~63Hz, adapting to global mainstream power grid fluctuations.

Rated Input Current: 4А (compatible with 5.5kW motor).

Коэффициент мощности: Typical value ≥ 0.95 (optimized by built-in reactor).

2. Выходные характеристики

Номинальная выходная мощность: 5.5кВт, compatible with 4-pole three-phase asynchronous motors.

Output Current: 13А (Непрерывная операция), with overload capacity of 150% номинальный ток для 1 минута.

Frequency Range: 0~400Гц (универсальный тип), supporting multi-speed and PID closed-loop control.

Выходное напряжение: 0~rated input voltage, with automatic voltage regulation (АВР) function to stabilize output.

1. Control and Drive Parameters
2. Режимы управления

Бездатчиковое векторное управление: Выходы 150% номинальный крутящий момент при 0,5 Гц, with speed fluctuation ≤ ±0.5%.

Управление напряжением/частотой: Поддерживает 5 types of V/F curves, with a speed regulation ratio of 1:50 and speed accuracy ≤ ±1%.

Протокол связи: Стандартный интерфейс RS485, поддержка протокола Modbus RTU, with baud rate optional 2400~115200bps.

2. Dynamic Performance

Стартовый крутящий момент: 150% rated torque at 0.5Hz under sensorless vector control, supporting speed tracking and restarting.

Acceleration/Deceleration Time: Adjustable from 0.1~3600 seconds, supporting linear/non-linear acceleration/deceleration modes.

Несущая частота: Adjustable from 0.5~15kHz, reducing motor noise and optimizing heat dissipation.

III. Interfaces and Expansion Functions

1. Input and Output Interfaces

Цифровой вход: 6 programmable terminals (X1~X6), supporting functions such as forward/reverse rotation, jogging, and fault reset.

Аналоговый вход: AI1 (0~10 В), AI2 (0~10V/0/4~20mA), supporting dual analog叠加 input.

Analog Output: 2 AO (0~10V/0/4~20mA), which can monitor parameters such as frequency and current.

Релейный выход: 2 программируемые реле (R1/R2), with contact capacity of AC250V 3A/DC30V 1A.

2. Возможность расширения

Тормозной блок: Built-in brake unit (standard for models below 22kW), supporting external brake resistors for rapid braking.

Expansion Cards: Optional PLC modules, Profibus/DNP3 and other communication cards to enhance system integration capabilities.

1. Environmental and Physical Parameters
2. Условия окружающей среды

Рабочая температура: -10℃~+40℃ (derate by 1% for each 1℃ increase above 40℃).

Температура хранения: -25℃~+60℃, humidity 5%~95% without condensation.

Высота: Full power operation below 1000m; for each 1000m increase above 1000m, derate by 10%.

Уровень защиты: IP20 (for indoor use), supporting dusty and lightly oily environments.

2. Mechanical Specifications

Габаритные размеры: 140мм (ширина) × 232mm (высота) × 155mm (глубина), weight 3.6kg.

Способ установки: Настенный, installed vertically with 120mm heat dissipation space reserved.

Метод охлаждения: Forced air cooling with high-speed DC fan, fan life is about 20,000 часы.

1. Protection and Reliability
2. Функции защиты

Overcurrent/Overvoltage/Undervoltage Protection: Real-time monitoring and rapid response to prevent equipment damage.

Overheating Protection: Built-in temperature sensor, automatically reduces frequency or shuts down when the radiator temperature exceeds 80℃.

Phase Loss/Short Circuit Protection: Detects input and output phase loss and motor short circuit to avoid fault expansion.

Motor Overload Protection: Supports custom overload curves to adapt to different load characteristics.

2. Reliability Design

Three-Proof Paint Technology: PCB boards are sprayed with three-proof paint to resist dust, oil stains, and mild corrosive gases.

EMC Compatibility: Соответствует GB/T 12668.2 стандартный, with built-in EMI filter to reduce electromagnetic interference.

Fault Diagnosis: LED panel displays more than 20 fault codes in real-time, supporting historical fault query.

1. Сертификация и соответствие

– Внутренняя сертификация: Passed China type test (CQC certification), соответствие GB/T 12668.2 national standard.

– International Adaptability: The input voltage covers the North American 380V standard and can be directly connected to the industrial power grid, but details of UL/CSA certification need to be confirmed.

– Local Support: Chint’s North American team provides technical support, located in Pomona, California.

VII. Typical Application Parameters

1. Energy-Saving Performance

Fan and Pump Scenarios: Achieve 20%~50% energy saving through V/F control, automatically optimizing the operation curve.

Constant Torque Loads: Efficiency ≥ 93% and power factor ≥ 0.95 под контролем векторов.

2. Industry Adaptability

Lifting Machinery: High starting torque at 0.5Hz, supporting rapid braking and positioning control.

Conveyor Belt Systems: Multi-speed operation and PID closed-loop control ensure the stability of material conveying.

Injection Molding Machines: Precise torque control reduces energy consumption and extends mechanical life.

VIII. Advantages Compared with Competitors

Краткое содержание

NVF2G-5.5/TS4 has become a mainstream choice in the industrial drive field due to its wide voltage adaptability, strong overload capacity, and high cost performance. Its sensorless vector control, built-in brake unit, and rich interface configuration can flexibly adapt to scenarios such as lifting, транспортировка, фанаты, and pumps. For North American users, although certification details need to be confirmed, Chint’s global service network and local support can provide reliable guarantees. It is recommended to communicate with distributors according to specific application requirements to obtain customized solutions.