LG300A(690V) High performance vector universal frequency converter
LG300A is a high-performance universal frequency converter mainly used for controlling and regulating the speed of three-phase AC asynchronous motors. Adopting high-performance vector control technology, with low speed and high torque output, it has good dynamic characteristics, strong overload capacity, added user programmable function and background monitoring software, communication bus function, support for multiple PG cards, etc., rich and powerful combination functions, and stable performance.
Power range
0.75Kw~630Kw
Input voltage
220V 1 phase to 3 phase
380V 3 phase to 3 phase
Product Overview
Application scope
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Textile
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Paper Making
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Sand Making
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Machine Tools
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Packaging
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Food
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Fans
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Pumps
Features
- Wide application range, multiple control methods, open-loop vector control (SVC), VF control
- 16 speed, simple PLC and PID control
- Support for multiple motor vector control
- High starting torque characteristics
- Torque limit for protecting machinery
- Flexible and practical analog input and output ports
- Quick current limiting function
- Instantaneous non-stop function, motor overheat protection (acceptable sensors PT100, PT1000)
- Supports multiple fieldbuses for easy connection to various peripheral settings (supports RS485)
Technical Specifications
| Iterms | Technical Index | Specification |
| Input | Input voltage |
lΦAC220V±15% 3ΦAC380V± 15% |
| Input frequency | 47-63Hz | |
| Efficiency | ≥97% | |
| Output | Output voltage | 0- Rated voltage |
| Output frequency | 0-500Hz | |
| Control Features | Control Mode | Speed sensorless vector control,Vector control with speed sensor,V/F control |
| Run Command Mode | Panel control, terminal control, serial communication | |
| Frequency setting method | Digital setting, analog quantity setting, pulse frequency setting, serial communication setting, multi segment speed setting and simple PLC setting, PID setting, etc., can achieve combination and mode switching of given methods | |
| Overload capacity | G type: 150% rated current 60S, 180% rated current 10S | |
| P type: 120% rated current 60S, 150% rated current 10S | ||
| Starting torque | 0.5Hz/180% (SVC) ；1Hz/180% (V/F) | |
| Speed regulation range | 1：100 (SVC) | |
| Speed control accuracy | ± 0.5% maximum speed (SVC) | |
| Carrier wave frequency | 1.0-15.0KHz,Automatically adjustable according to temperature and load characteristics | |
| frequency resolution | Digital setting: 0.01Hz Analog setting: Maximum frequency * 0.1% | |
| Torque increase | Automatic torque increase; Manual torque increase by 0.1% -10.0% | |
| Acceleration and deceleration methods | DC, four types of acceleration and deceleration times | |
| DC braking | DC braking during startup and DC braking during shutdown | |
| Inching operation | Inching operation frequency: 0.0Hz - maximum frequency output, inching plus or minus time 0.1-3600.0S | |
| Simple PLC and multi speed operation | Up to 16 segments of speed operation can be achieved through built-in PLC or control terminals | |
| Built in process PID | A closed-loop control system that facilitates the implementation of process quantities such as pressure, temperature, flow rate, etc | |
| Automatic voltage adjustment | When the voltage of the power grid changes, it can automatically maintain a constant output voltage | |
|
Control function |
Common DC bus | Multiple frequency converters share a DC bus for automatic energy balancing |
| Torque control | No PG torque control | |
| Swing frequency control | Multiple triangular wave frequency control | |
| Counting control | Counting function | |
|
Input/ output terminals |
Input terminal | Programmable Dl: 7 switching inputs, with 1 indicating pulse input |
| Programmable AI: 2 channels, VCI: voltage -10V~10V; Voltage 0-10V or current 0-20mA input | ||
| Output terminal |
Programmable open collector output: 1 output (open collector output or high-speed pulse output), 2 relay outputs Analog output: 2 outputs, selectable from 0/4-20mA or 0-10V |
|
| Communication terminal | Provide RS485 physical interface and support Modbus RTU communication mode | |
| Interface | LED display | Can display parameters such as frequency, output frequency, output voltage, output current, etc |
Product Parameters
| Model no. | Power | output current | Input voltage | Size（mm） | Installation size（mm） | G.W |
| LG300A0R4ST2 | 0.4KW | 2A | 220V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| LG300A0R7ST2 | 0.75KW | 4A | 220V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| LG300A1R5ST2 | 1.5KW | 7A | 220V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| LG300A2R2ST2 | 2.2KW | 9A | 220V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| LG300A0R7G/1R5PT4 | 0.75KW/1.5KW | 2.5A/3.7A | 380V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| LG300A1R5G/2R2PT4 | 1.5KW/2.2KW | 3.7A/5A | 380V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| LG300A2R2G/4R0PT4 | 2.2KW/4KW | 5A/9A | 380V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| LG300A4R0G/5R5PT4 | 4KW/5.5KW | 9A/13A | 380V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| LG300A5R5G/7R5PT4 | 5.5KW/7.5KW | 13A/17A | 380V | 102*200*165 | 90*189.8 | 1.9KG |
| LG300A7R5G/011PT4 | 7.5KW/11KW | 17A/25A | 380V | 102*200*165 | 90*189.8 | 1.9KG |
| LG300A011G/015PT4 | 11KW/15KW | 25A/32A | 380V | 125*240*175 | 108*228 | 3.1KG |
| LG300A015G/018PT4 | 15KW/18.5KW | 32A/37A | 380V | 125*240*175 | 108*228 | 3.1KG |
| LG300A018G/022PT4 | 18.5KW/22KW | 37A/45A | 380V | 170*320*210 | 150*304 | 5.5KG |
| LG300A022G/030PT4 | 22KW/30KW | 45A/60A | 380V | 210*345*210 | 140*320 | 9KG |
| LG300A030G/037PT4 | 30KW/37KW | 60A/75A | 380V | 210*345*210 | 140*320 | 9KG |
| LG300A037G/045PT4 | 37KW/45KW | 75A/90A | 380V | 295*525*225 | 160*505 | 19.5KG |
| LG300A045G/055PT4 | 45KW/55KW | 90A/110A | 380V | 295*525*225 | 160*505 | 19.5KG |
| LG300A055G/075PT4 | 55KW/75KW | 110A/150A | 380V | 340*580*250 | 200*560 | 29.5KG |
| LG300A075G/090PT4 | 75KW/90KW | 150A/176A | 380V | 340*580*250 | 200*560 | 29.5KG |
| LG300A090G/110PT4 | 90KW/110KW | 176A/210A | 380V | 340*580*250 | 200*560 | 29.5KG |
| LG300A110G/132PT4 | 110KW/132KW | 210A/250A | 380V | 400*610*290 | 240*590 | 50KG |
| LG300A132G/160PT4 | 132KW/160KW | 250A/300A | 380V | 400*610*290 | 240*590 | 50KG |
| LG300A160G/185PT4 | 160KW/185KW | 300A/340A | 380V | 500*780*350 | 400*760 | 76KG |
| LG300A185G/200PT4 | 185KW/200KW | 340A/380A | 380V | 500*780*350 | 400*760 | 77KG |
| LG300A200G/220PT4 | 200KW/220KW | 380A/415A | 380V | 500*780*350 | 400*760 | 78KG |
| LG300A220G/245PT4 | 220KW/245KW | 415A/470A | 380V | 500*780*350 | 400*760 | 79KG |
| LG300A245G/280PT4 | 245KW/280KW | 470A/520A | 380V | 750*860*460 | 500*840 | 155KG |
| LG300A280G/315PT4 | 280KW/315KW | 520A/600A | 380V | 750*860*460 | 500*840 | 158KG |
| LG300A315G/355PT4 | 315KW/355KW | 600A/640A | 380V | 750*860*460 | 500*840 | 158KG |
| LG300A355G/400PT4 | 355KW/400KW | 640A/690A | 380V | 750*860*460 | 500*840 | 161KG |
| LG300A245G/280PT4C | 245KW/280KW | 470A/520A | 380V | 1300*750*465 | floor type | 200KG |
| LG300A280G/315PT4C | 280KW/315KW | 520A/600A | 380V | 1300*750*465 | floor type | 203KG |
| LG300A315G/355PT4C | 315KW/355KW | 600A/640A | 380V | 1300*750*465 | floor type | 203KG |
| LG300A355G/400PT4C | 355KW/400KW | 640A/690A | 380V | 1300*750*465 | floor type | 206KG |
| LG300A400G/450PT4C | 400KW/450KW | 690A/860A | 380V | 1500*950*515 | floor type | 250KG |
| LG300A450G/500PT4C | 450KW/500KW | 780A/860A | 690V | 1500*950*515 | floor type | 250KG |
| LG300A500G/560PT4C | 500KW/560KW | 860A/950A | 690V | 1500*950*515 | floor type | 250KG |
| LG300A560G/630PT4C | 560KW/630KW | 950A/1100A | 690V | 1600*1050*515 | floor type | 300KG |
| LG300A630G/710PT4C | 630KW/710KW | 1100A/1280A | 690V | 1600*1050*515 | floor type | 300KG |
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