ST-3000 series high-performance current vector frequency converter

The ST-3000 Series High-Performance Current Vector Frequency Converter integrates advanced vector control technology, delivering precise torque and speed regulation with low-frequency high-torque output. It features robust environmental adaptability, intelligent fault diagnostics, and seamless integration via industrial communication protocols, ensuring reliable operation in complex industrial settings.

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Description

Product Introduction

The ST-3000 series high-performance current vector frequency converter utilizes advanced vector control technology to precisely adjust motor speed and torque. Specifically designed for industrial applications such as plastic machinery, textile equipment, and packaging systems, this frequency converter provides stable low-frequency torque output and achieves adaptive control under dynamic loads. Its intelligent interface design supports mainstream industrial bus protocols, significantly enhancing equipment collaboration efficiency. Furthermore, this frequency converter maintains high reliability even under harsh working conditions.

Use

The ST-3000 series high-performance current vector frequency converters are ideally suited for a diverse range of demanding environments. They excel in woodworking machinery, metal processing, energy and mining sectors, stone and building material production, textile and chemical fiber industries, as well as pharmaceutical and chemical manufacturing, ensuring reliable and efficient operation.

Product parameters

Specifications Model Voltage LeveL(V) Output
current(A)
Power
(KW)
ST3000-0R7G-T4 220 4 0.75
ST3000-1R5G-T4 220 7 1.5
ST3000-2R2G-T4 220 11 2.2
ST3000-0R7G-T4 380 2.1 0.75
ST3000-1R5G-T4 380 3.8 1.5
ST3000-2R5G-T4 380 5.1 2.2
ST3000-003G-T4 380 6.8 3
ST3000-004G-T4 380 9 4
ST3000-5R5G-T4 380 13 5.5
Frequency converter voltage description
220v: input single phase 220v output three phase 220v input three                     phase 20v output three phase 220v
380v: input three phase 380v output three phase 380v
PRODUCT TECHNICAL
CHARACTERISTICS
Speed range 1:200(SVC)1:50(VF) Torque control accuracy ±5%(FVC)
Steady speed accuracy ±0.5%(SVC) Starting torque 0.5Hz/150%(SVC)
Highest frequency V/F control: 0-3200Hz; vector control: 0-300Hz
Carrier frequency 0.5kHz-16kHz; automatically adjusts carrier frequency according to load characteristics
Input frequency resolution Digital setting: 0.01 Hz; analog setting: maximum frequency×0.025%
Control mode Synchronous vector control (SVC); V/F control
Overload capacit 150% rated current 60s;180% rated current 3s
Torque boost Automatic torque boost; manual torque boost 0.1%~30.0%
Step
control
Frequency range of step movement:0.00Hz-50.00HzStep acceleration and deceleration time 0.0s 6500.0s
Input
terminal
Five digital input terminals, one of which can be used for high-speed pulse input.
Two analog input terminals, one of which supports 0–10 voltage input only.
One terminal supports 0~10V voltage input or 4~20mA current input.
Output terminal One high-speed pulse output terminal (optional as open-collector type)Support square wave signal output from 0 to 100 kHz. One digital outpu terminal, one relay output terminal, one analog output terminalSupport current output from 0 to 20 mA or voltage output from 0 to 1 V.
Acceleration and deceleration curve Straight or S-shaped deceleration mode. Four acceleration and deceleration times, acceleration and deceleration time range0.0-6500. s
V/F curve Three types: linear; multi-point; Nth power type V/F curve
(1.2 power, 1.4 power, 1. power, 1.8 power, 2 power)
Direct current braking DC braking frequency:0.00Hz – maximum frequency
Braking time: 0.0s-36.0s
Braking current value: 0.0% – 100.0%
Frequency source 10 frequency sources: digital given, analog voltage given, analog current given, pulse given, serial port given. It can be switched in a variety of ways
Dimension

1_01

Product Features

  • The ST-3000 series incorporates an advanced intelligent chip, enabling precise control and adaptive adjustment of motor parameters. This ensures optimal performance under varying loads, enhancing operational efficiency and reducing energy consumption, while also providing real-time diagnostics for proactive maintenance.
  • Engineered for exceptional efficiency, the ST-3000 series maintains stable operation even under extreme conditions. Its robust design minimizes voltage fluctuations and harmonics, ensuring consistent power output and extending equipment lifespan, making it ideal for continuous-duty applications.
  • Utilizing premium imported power modules, the ST-3000 series delivers superior reliability and durability. These high-grade components undergo rigorous quality testing, ensuring seamless integration and long-term performance stability, even in demanding industrial environments.
  • Featuring copper-core wiring for enhanced conductivity, the ST-3000 series is designed for easy installation. The surface is coated with protective paint, preventing corrosion and ensuring a neat, professional appearance, while facilitating quick and hassle-free setup.
  • Equipped with a large, high-resolution LCD screen, the ST-3000 series offers intuitive operation and real-time monitoring. This user-friendly interface enhances productivity by allowing operators to quickly access critical information and adjust settings with ease, streamlining workflow.
  • Optimized Ventilation Design: Featuring multiple strategically placed cooling vents, the ST-3000 series effectively dissipates heat, maintaining optimal operating temperatures. This design prevents overheating-related failures, ensuring continuous, safe operation and minimizing downtime due to thermal issues.

Note:The ST-3000 series high-performance vector frequency converters combine ease of use, robustness, and advanced technology to deliver unparalleled performance and reliability in a wide range of industrial applications.

1.Featuring multiple strategically placed cooling vents, the ST-3000 series effectively dissipates heat, maintaining optimal operating temperatures. This design prevents overheating-related failures, ensuring continuous, safe operation and minimizing downtime due to thermal issues.

2.The ST-3000 series is suitable for a broad spectrum of equipment, including machine tools, elevators, central air conditioning systems, cold storage facilities, and testing equipment. Its versatility makes it an ideal choice for various industrial and commercial settings, providing reliable power control solutions.

Product installation and instructions

  1. Location Selection: Install in a well – ventilated, dry area away from heat sources and corrosive substances.
  2. Wiring: Connect power and motor cables as per the diagram, ensuring tight and secure connections.
  3. Startup: Power on and follow on – screen prompts for initial setup.
  4. Parameter Adjustment: Use the intuitive interface to tailor settings to your application.
  5. Maintenance: Regularly clean and inspect for any abnormalities.

Product images

Intelligent chipApplicable environmentsImported modulesHigh efficiency and stabilityVentilation design ABS composite flame-retardant housingLCD display