Audited Supplier
G630-4T250G
High Frequency Converter Transducer
Triple
Vector Control Transducer
PWM Control
Voltage
Low Voltage Variable-Frequency Drive
AC-DC-AC Variable-Frequency Drive
Current Variable-Frequency Drive
Textile Special, Constant Torque Universal Type
Vekont
250kw
Single Phase Input Three Phase Output
220V
Vf Control: 0~1200Hz
1K~15kHz
Open-Loop Vector Control (SVC), V/F Control
1:200 (Open-Loop Vector Control)
≤40ms (Open Loop Vector Control)
Torque Increase Automatically Torque Increase 0.1%
Vekont
DHL
0.75KW
China
Product Description
Technical specifications
| Specifications | ||
| Maximum frequency | Vector control: 0~600Hz VF control: 0~1200Hz | |
| Carrier frequency | 1k~15kHz: The carrier frequency can be adjusted automatically according to the load characteristics. | |
| Input frequency resolution | Digital setting: 0.01Hz Analog setting: Maximum frequency × 0.1% | |
| Control method | Open-loop vector control (SVC), V/F control | |
| Starting torque | G-model: 0.5Hz/180% (open-loop vector control) P-model: 0.5Hz/120% (open-loop vector control) | |
| Speed range | 1:200 (open-loop vector control) | |
| Speed stabilization accuracy (Speed control accuracy) | Open-loop vector control: ≤±0.5% (rated synchronous speed) | |
| Speed control stability | Open-loop vector control: ≤±0.3% (rated synchronous speed) | |
| Torque response | ≤40ms (open loop vector control) | |
| Overload capacity | Model G: 150% of rated current for 60 seconds; 180% of rated current for 5 seconds Model P: 120% of rated current for 60 seconds; 150% of rated current for 5 seconds | |
| Torque Increase | Torque increase automatically Torque increase 0.1% to 30.0% manually | |
| V/F curve | Three types: linear; multi-point; squared V/F curve | |
| Acceleration/Deceleration curves | Linear or S-curve acceleration and deceleration mode; Four kinds of acceleration and deceleration time; Acceleration and deceleration time range 0.0s~3000.0s | |
| DC Brake | DC braking frequency: 0.0Hz~maximum frequency Braking time: 0.0~36.0 seconds Braking action current value: 0.0%~100.0% | |
| Jog control | Point-to-point frequency range: 0.00Hz~50.00Hz; Jog acceleration and deceleration time 0.0s~3000.0s | |
| Simple PLC Multispeed operation | Up to 16 speeds via built-in PLC or control terminals | |
| Built-in PID | Process control closed-loop control system can be realized easily | |
| Automatic Voltage Regulation (AVR) | Keep the output voltage constant when the grid voltage changes automatically | |
| Torque limiting and control | "Digger" feature: torque limiting during operation to prevent frequent overcurrent trips automatically; Closed-loop vector mode for torque control | |
| Power-up peripherals safety self-test | Power-on safety detection of peripheral devices such as grounding, short-circuiting, etc. can be realized | |
| Common DC bus function | Realize the function of DC bus shared by multiple inverters | |
| JOG key | Programmable key: Forward and reverse operation/spot operation function selection | |
| Textile swing control | Various triangle wave frequency control functions | |
| Fast current limit function | Built-in fast current limiting algorithm Reduces the probability of overcurrent reported Improves the anti-interference ability | |
| Timing control | Function: Setting time range 0h~65535h | |
| Standardization of keyboard extension cables | Customers may extend the keyboard by using a standard network cable | |
| Run | Run command channel | Three types of channels: operator panel given, control terminal given, and serial communication port given. Switchable in various ways |
| Frequency source | 10 types of frequency sources: digital, analog voltage, analog current, pulse, and serial port give and take. Switchable in various ways | |
| Auxiliary frequency sources | 10 kinds of auxiliary frequency sources. Realization of auxiliary frequency trimming and frequency synthesis flexible. | |
| Input terminal | Standard seven digital input terminals, up to nine digital input terminals (AI1, AI2 can be used as X (DI) terminals), compatible with active PNP or NPN input. Two analog input terminals, of which AI1 can only be used as a voltage input and AI2 can be used as a voltage or current input. | |
| Output terminal | One digital output terminal (bipolar output) Two relay output terminals Two analog output terminals, can be selected from 0/4mA to 20mA or 0/2V to 10V respectively, which can realize the output of physical quantities such as set frequency, output frequency and rotational speed. | |
| Display and keyboard operation | LED display | Display parameters |
| LCD display | Optional, Chinese/English prompts for operation content | |
| LCD parameter copy | Quick copying of parameters using the LCD | |
| Key lock and function selection | Partial or full locking of keys, defining the scope of action of some keys to prevent misoperation. | |
| Protection and Options | Protective function | Power-on motor short-circuit detection, input and output phase loss protection, over-current protection, over-voltage protection, under-voltage protection, over-heating protection, overload protection, etc. |
| Optional accessories | LCD operation panel, brake unit, etc. | |
| Location | Indoors, out of direct sunlight, free of dust, corrosive gases, flammable gases, oil mist, water vapor, dripping water or salt, etc. | |
| Altitude | Please use at a reduced rate (below 1000 meters, above 1000 meters) | |
| Environmental temperature | -10ºC~+50ºC (please use at a reduced rating 40ºC~50ºC) | |
| Humidity level | Less than 95% RH, no water droplet condensation | |
| Vibratory | Less than 5.9 m/s2 (0.6 g) | |
| Storage temperature | -20ºC~+60ºC | |
| Contamination level | 2 | |
| Product standard | Product implementation of safety standards | IEC 61800-5-1:2007 |
| Product implementation of EMC standards | IEC 61800-3:2005 | |
1. The brake resistor resistance can not less than the recommended resistance value in the table.
2. Table ×2 indicates that two groups of braking resistors are used in parallel. Table ×3 indicates that three groups of braking resistors are used in parallel, and so on;
3. Inverter model name followed by "B" for the standard built-in braking unit model inverter. Otherwise without built-in braking unit. Choose the corresponding braking unit model according to its braking torque.
4. 18.5~30kW G-type mechanism braking unit is built-in optional. Please specify when ordering if neccessary. The standard configuration does not come with a braking unit;
5. The 5S,15S listed in the table refers to the continuous braking time.
Modular design of IGBTs:
More stable! More reliable!
More environmentally adaptable
GP (heavy/normal -duty) models
Reduced customer order inventory
Digital dual display keypads
The first line display value and the second line display value can be freely defined.
GP (heavy/normal -duty) models
Reduced customer order inventory
Digital dual display keypads
The first line display value and the second line display value can be freely defined.
Keyboard body standard with tray
Convenient network cable direct external lead
One-click setting of industry-
Convenient network cable direct external lead
One-click setting of industry-
specific machine parameters
Built-in macros for a variety of
industry-specific applications
