0.75-710kw Three-Phase Power Supply 380v AC310 High-Performance Vector Frequency Converter Made In China

Frequency converters, also known as variable frequency drives (VFDs), are electronic devices that control the speed and torque of an electric motor by varying the frequency and voltage of the power supplied to the engine. They work on converting fixed input frequency and voltage into variable output frequency and voltage.

Book style narrow body design, saving installation time High-performance magnetic field-oriented vector control technology Cerong permanent magnet synchronous, synchronous reluctance, and asynchronous motor control Rich expansion accessories, comprehensive application on various occasions High power density, high reliability, and high applicability

How Frequency Converter Works InPermanent Magnet Synchronous Motor？

Frequency converters are crucial in controlling and driving Permanent Magnet Synchronous Motors (PMSMs) by providing the necessary variable-frequency power supply. The operation of a frequency converter in conjunction with a PMSM can be explained as follows:

1. Power Conversion: The frequency converter receives a fixed-frequency AC power supply from the mains and converts it into variable-frequency AC power. As explained in the previous response, this conversion is achieved through rectification, DC bus voltage generation, and inverter operation.

2. Inverter Control: The variable-frequency AC power generated by the frequency converter's inverter stage is supplied to the stator windings of the PMSM. The inverter controls the output power's frequency and voltage based on the motor's speed and torque requirements.

3. Synchronous Operation: A PMSM has permanent magnets embedded in its rotor, which creates a fixed magnetic field. As the variable-frequency AC power is supplied to the stator windings, it generates a rotating magnetic field in the stator. The interaction between the rotating magnetic field in the stator and the fixed magnetic field in the rotor causes the rotor to rotate synchronously with the stator's magnetic field.

4. Speed and Torque Control: The frequency converter precisely adjusts the frequency and voltage of the power supplied to the PMSM to control its speed and torque. By changing the power supply frequency, the converter can vary the motor's rotational speed. Similarly, the converter can control the motor's torque output by adjusting the voltage. This allows for precise control over the motor's performance, making PMSMs suitable for applications that require high accuracy and efficiency.

5. Feedback Control: The frequency converter typically incorporates feedback control mechanisms to achieve accurate speed and torque control. Sensors, such as encoders or resolvers, provide feedback on the motor's speed and position. This feedback is used by the converter's control system to adjust the frequency and voltage of the power supply in real time, ensuring the motor operates according to the desired speed and torque setpoints.

6. Advanced Control Algorithms: Frequency converters for PMSMs often employ advanced control algorithms, such as field-oriented control (FOC) or direct torque control (DTC), to further enhance the motor's performance. These algorithms optimize the motor's efficiency, improve dynamic response, and minimize torque ripple, resulting in smoother operation and better overall performance.

By integrating a frequency converter with a PMSM, the system can benefit from precise speed and torque control, high efficiency, and improved dynamic response. This combination is widely used in various applications, including industrial automation, electric vehicles, robotics, and renewable energy systems.

Product Profile

Book-based carrier design, with a maximum reduction of 60% in volume, modular structure layout, and higher sealing degree of electronic components.	直接冷却从上到下,可以段d side by side, making reasonable use of space, greatly reducing cabinet volume and cost, and creating unlimited value with limited space.	Professional European-style terminals ensure safety and reliability while saving wiring time and improving cabinet efficiency.

Characteristic performance

Optimizing Synchronous Motor Drive - High Frequency Injection Method Through high-frequency signal injection during open-loop operation, the output of 200% rated torque at 0Hz under open-loop control is achieved for the permanent magnet synchronous motor, making the starting effect more stable under heavy load.	Leading self-learning algorithms Performing motor static self-learning to obtain motor parameters when the motor cannot detach the load is comparable to rotating self-learning.

*Compatible with synchronous reluctance motor algorithms to adapt to future market trends

*Dual SPI expansion ports with self-identifying expansion cards, with rich expansion functions and everything available

*New protection function, achieving comprehensive protection from internal to external motors of frequency converters and other equipment

*New feature code layout, easy to use and search

铭牌和类型的描述频率转换ter

The rated output current of the frequency converter

INPUT VOLTAGE CV) output current(<) power	220	380	660
0.75	4	3
1.5	7	4
2.2	10	6
4	16	10
5.5	20	13
7.5	30	17	10
11	42	25	15
15	55	32	18
18.5	70	38	22
22	80	45	28
30	110	60	35
37	130	75	45
45	160	90	52
55	200	110	63
75	260	150	86
90	320	180	98
110	380	210	121
132	420	250	150
160	550	310	175
185	600	340	198
200	660	380	218
220	720	415	235
250		470	270
280		510	330
315		600	345
355		670	380
400		750	430
450		800	466
500		860	540
560		990	600
630		1100	680
710		1260	750

Technical specifications

Project		Specification
Power Enter	Voltage and frequency	S2: single-phase 200V~ 240V 50Hz/ 60Hz : T2: three-phase 200V~ 240V 5 0Hz/ 60 Hz :
	Allowable fluctuation	T/52: -10 % ~ 10 % ; T3: -15 % ~ 10 % ; T6: -10 % ~ 10 % ; Voltage imbalance rate： ＜3 %; Frequency： 士5 %； The distortion rate meets the requirements of I EC61800-2.
	Closing impulse current	less than rated current
output	Output voltage	underrated conditions： three-phase, OV~input voltage, error less than 5%
	Output frequency range	0Hz~ 600 Hz
	Output frequency accuracy	maximum frequency value, taxi 0.5%
	Overload capacity	Type G： 150% rated current 89s, 180% rated current 10s, 200% rated current 3s P-type： 1 20% rated current for 35s, 140% rated current for 7s, 150% rated current for 3s
	Motor types	three-phase asynchronous motor, permanent magnet synchronous motor (sine wave), synchronous reluctance motor
	Motor control mode	V/ F control, open-loop vector control, closed-loop vector control, voltage frequency separation control
	modulation	Optimization of modulation method for space voltage vector PWM modulation
	Carrier frequency	1.0kHz ~ 16 .0kHz
main control System	Speed control range	without PG vector control： rated load 1: 200 PG Sagittarius control: rated load 1: 1000
	Steady-state speed accuracy	without PG vector control: ± 0.5% (three-phase asynchronous motor), ± 0.1% (permanent magnet synchronous motor) with PG vector control: ± 0.02%
	Starting torque	without PG vector display control: 150% rated torque at 0.25 Hz with PG vector control: 200% rated torque at OHz
	Torque response	without PG vector display control: ＜ 10 ms with PG vector display control: ＜ Sms
	Torque accuracy	without PG vector control: ± 5% with PG vector control: ± 2.5%
	Frequency accuracy	digital setting: maximum frequency x (±0.01%); Simulation setting: maximum frequency x (±0.2%)
	Frequency resolution	digital setting: 0.01 Hz; Analog setting: maximum frequency x0.05%
	Torque control	torque setting calculation、torque mode speed limit
Product Basic Function	DC braking capacity	starting frequency: 0.00Hz~SO.OOHz: braking time: o OS~60.0s: Braking current: 0 0%~150.0% rated power
	Automatic torque increase	Automatic torque increase of product torque by 0.0%~100.0%； Manual torque increase by 0.0%~30.0%
	V/F curve	Four methods： linear torque characteristic curve, self-setting V/F curve, torque reduction characteristic curve (1.1~2.0 times), square
	Acceleration and deceleration curve	There are two methods for power acceleration and deceleration curves: linear acceleration and deceleration and S-curve acceleration and deceleration Four sets of acceleration and deceleration time, time unit 0.01 s, maximum 650.00 seconds
	rated output voltage	The rated output voltage utilizes the power supply voltage compensation function and can be set within the range of 50% to 100% with the motor-rated voltage of 100% (output cannot exceed input voltage)

	Automatic voltage adjustment	When the voltage of the power grid fluctuates, it can automatically maintain a constant output voltage
	Automatic energy-saving operation	Under V/F control mode, the output voltage is automatically optimized according to the load, achieving energy-saving operation
	Automatic current limiting	Automatically limit the current during operation to prevent frequent overcurrent faults from tripping
	Instantaneous power failure treatment	During instantaneous power outage, uninterrupted operation is achieved through bus voltage control
	standard function	PID control, speed tracking and power failure restart, skip frequency, frequency upper and lower limit control, program operation, multi-segment speed, RS485 Communication, analog output, frequency pulse output, parameter access level setting, familiar parameter setting, monitoring parameter comparator output, counting and timing, and frequency swing function
	Frequency setting channel	Keyboard number setting, keyboard potentiometer, analog voltage/current terminals All and A12, communication setting and multi-channel terminal selection, main and auxiliary channel combination, which can be switched through various methods
	Feedback input channel	Voltage/current terminals All and Al2, communication settings, pulse input PUL
	Run Command Channel	Operation panel setting, external terminal setting, communication setting
	Input command signal	Start, stop, forward and reverse, jog, multi-speed, free parking, reset, acceleration and deceleration time selection, frequency setting channel selection, external fault alarm
	External output signal	继电器输出,1收集器开放circuit output, 1 AO output can be selected as OV~10V, 0mA~20mA, or 4mA~20mA output, or frequency pulse output
Protection function		Overvoltage, under voltage, current limiting, overcurrent, overload, electronic thermal relay, overheating, overvoltage stall, data protection, rapid protection, input/output phase loss protection
Keyboard display	LED display	Built-in keyboard: single line 5-digit digital tube display	Can monitor the status of one frequency converter
		External keyboard: single row, double row 5-digit digital tube display	两条线可以监视状态of two frequency converters
	Parameter copy	Capable of uploading and downloading functional code information of frequency converters, enabling fast parameter copying
	Condition monitoring	All parameters of the monitoring parameter group, including output frequency, given frequency, output current, input voltage, output voltage, motor speed, PID feedback quantity, PID given torque, module temperature, given torque, output torque, etc
	Fault Alarm	Overvoltage, under voltage, overcurrent, short circuit, phase loss, overload, overheating, overvoltage stall, current limiting, data protection damage, current fault operation status, historical fault records
Environment	installation site	If the altitude is below 1000m and the size is above 1000m, the derating will be 1% for every 100m increase; No refutation, freezing, rain, snow, hail, etc., with solar radiation below 700W/m2 and air pressure of 70kPa~106kPa
	Temperature and humidity	-L0 ° C~+S0 ° C, can be derated for use above 40 ° C, with a maximum temperature of 60 ° C (no-load operation) 5% RH~95% RH (non condensation)
	vibrate	9Hz~ 200Hz 时， 5.9m/s2(0.6G)
	storage temperature	-30°C ~ + 60°C
	Installation method	Wall Mount
	protection grade	IP20
	pollution degree	Level 2
	Cooling method	Forced air cooling

Installation dimensions

Type	Overall dimensions(mm)					Installation dimensions(mm)					Installation aperture
	w	H	HJ	D	DI	WI	W2	H2	A	B
AC310-S2-R 75 g b	76	200	192	155	149	65	65	193	5.5	4	3-M4
AC310-S2-IR5G-B
AC310-S2-2R2G-B	100	242	231	155	149	84	86.5	231.5	8	5.5	3-M4
AC310-S2-004G-B
AC310-T3-R75G/1R5P-B	76	200	192	155	149	65	65	193	5.5	4	3-M4
AC310-T3-1R5G/2R2P-B
AC310-T3-2R2G-B
AC310-T3-004G/5R5P-B	100	242	231	155	149	84	86.5	231.5	8	5.5	3-M4
AC310-T3-5R5G/7R5P-B
AC310-T3-7R5G/Ol lP-B	I 16	320	307.5	1 75	169	98	JOO	307.5	9	6	3-M5
AC3 IO-T3-0l !G /015P-B

Installation dimensions

Type	Overall dimensions(mm)					Installation dimensions(mm)				Installation aperture
	w	H	H1	D	D1	Wl	W2	H2	B
AC310-T/S2-7R5G-B	142	383	372	225	219	125	100	372	6	4-M5
AC310-T/S2-011G-B
AC310-T /S2-015G	172	430		225	219	150	150	416.5	7.5	4-M5
AC310-T2-0I 80
AC3 l O-T2-022G
AC31O- T3-015G/O18P-B	142	383	372	225	219	125	100	372	6	4-M5
AC3 J O-T3-0 J 8 G/022P-B
AC310-T3-022G/030P-B
AC31O- T3-030G/037P	172	430		225	219	150	150	416.5	7.5	4-M5
AC31O- T3-037G/045P

External dimensions of frequency converter (iron shell)

Type	Overall dimensions				Installation hole position		Installation aperture
	w	H	Ht	D	Wt	H2
AC31O-T2-030G	240	560	520	310	176	544	4-M6
AC310-T2-037G
AC310-T2-045G
AC3 l O-T2-055G	270	638	580	350	195	615	4-M8
AC3 l O-T3-045 G/055P	240	560	520	310	176	544	4-M6
AC310-T3-055G /075P
AC310-T3-075G /090P
AC310- T3-090G/ I IOP	270	638	580	350	195	615	4-M8
AC310-T3-I IOG/132P
AC3 l O-T3- l 32G / l 60P-L	350	738	680	405	220	715	4-M8
AC310-T3-l 60G/ l 85P-L
AC310-T3-185G /200P-L	360	940	850	480	200	910	4-Ml6
AC31 O-T3- 200G/220P-L
AC3 l O-T3- 220G/250P-L
AC3 I O-T3- 250G/280P-L	370	1140	1050	545	200	1110	4-Ml6
AC31 O-T3- 280G/315P-L
AC3 l O-T3-3 l 5G /355P-L	400	1250	1140	545	240	1213	4-Ml6
AC3 I O-T3- 355G/400P-L
AC3 l O-T3-40 0G/450P-L
AC3 l O-T3-450G / 5 00P-L	460	1400	1293	545	300	1363	4-Ml6
AC3 l O-T3-500 G/560P-L
AC3 l O-T3-560G / 630P-L

External dimensions of frequency converter (cabinet machine)

Type	Overall dimensions( m m)				Installation hole position (mm)Overall dimensions				Cabinet installation aperture
	w	H	H1	D	Wl	W2	Dl	D2
: AC310 - T3€J3仪门IOP - L	1200	2200	2080	800	520	54	494	108.5	小14
AC3 l O-T3-7 IOG/80吨
AC31 O- T3-800G/900P-L

How to maintain a frequency Converter?

Proper maintenance of a frequency converter is essential to ensure its optimal performance, extend its lifespan, and prevent unexpected breakdowns. Here are some guidelines for maintaining a frequency converter:

1. Regular Inspection: Conduct routine visual inspections of the frequency converter to check for any signs of physical damage, loose connections, or overheating. Inspect the cooling fans and ensure they are clean and functioning properly. Look for any abnormal sounds or vibrations during the operation.

2. Keep the Environment Clean: Maintain a clean and dust-free environment around the frequency converter. Dust and debris can accumulate on the internal components and hinder proper heat dissipation, leading to overheating. Regularly clean the converter using compressed air or a soft brush to remove dust buildup.

3. Check Cooling System: The cooling system is crucial for dissipating heat generated by the frequency converter. Ensure that the cooling fans are functioning correctly and not obstructed by dust or debris. Clean or replace the fans if necessary. Monitor the converter's temperature and ensure it stays within the manufacturer's recommended range.

4. Verify Electrical Connections: Periodically inspect and tighten all electrical connections, including power cables, control cables, and signal cables. Loose connections can cause voltage fluctuations, erratic operation, and potential damage to the frequency converter. Use appropriate tools and follow safety procedures when working with electrical connections.

5. Monitor Voltage and Current: Regularly monitor the frequency converter's input and output voltage and current using appropriate measuring devices. Compare the readings to the manufacturer's specifications to ensure they are within the allowable range. Any significant deviations may indicate a problem that requires attention.

6. Software and Firmware Updates: Stay up to date with the latest software and firmware updates provided by the manufacturer. These updates often include bug fixes, performance enhancements, and new features. Follow the manufacturer's guidelines for updating the software or firmware, and ensure the backup of crucial settings and parameters before performing any updates.

7. Follow Maintenance Schedule: Adhere to the maintenance schedule recommended by the manufacturer. The program may include replacing capacitors, checking and calibrating sensors, inspecting internal components, and lubricating moving parts. Follow the manufacturer's instructions and guidelines for each maintenance task.

8. Training and Expert Support: Ensure that personnel responsible for maintaining the frequency converter receive proper training and clearly understand its operation and maintenance procedures. Consult with the manufacturer's technical support or hire a qualified technician for more complex maintenance tasks or troubleshooting.

Remember to always refer to the specific maintenance guidelines provided by the frequency converter manufacturer, as they may have specific recommendations and requirements for their particular product. Regular maintenance and proactive monitoring will help ensure the reliable and efficient operation of the frequency converter and minimize the risk of unexpected failures.

Our Company

Every power company can produce over 1500 AC and DC motor product specifications in 18 series. We have 156 sets of leading production equipment, including 6 workshops for stamping, laminating, metalworking, winding, embedding, and final assembly. The main components include organic seats, central and pole-changing iron cores, main and pole-changing coils, armatures, end covers, brush holders, and external constituents. The entire manufacturing process of the motor is mainly completed through key functions such as welding, dynamic balancing, painting, and performance testing. Through the quality inspection of motor products by the Jiangsu Provincial Quality and Technical Supervision Department, it meets the national technical performance indicators, has excellent product quality, and the factory pass rate of the product reaches 100%. There are no major quality problem complaints, and customers deeply trust it. At the same time, a sound and comprehensive after-sales service management system has been established, with sales service outlets in major and medium-sized cities in China continuously increasing market coverage and customer satisfaction.

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