SD3000 Series Medium Voltage Inverter VFD 37kW-5000kW 660V-6600V with 97% Efficiency and Vector Control

Price Negotiable

Price: Negotiable

MOQ: 1 Unit

Delivery Time: 3-7 working days

Brand: ZK/ZUN

Product Description

SD3000 Series Medium Voltage Inverter VFD

The SD3000 series medium voltage 3-level variable frequency drives are engineered for demanding industrial applications across multiple sectors including electric power, iron and steel, petroleum, mining, chemical processing, cement production, automotive manufacturing, and utilities.

Technical Advantages

Compact design with simplified structure
Achieves 2x voltage output compared to two-level devices with identical voltage ratings
Reduces motor common mode voltage and grid interference
Enables bidirectional energy flow and four-quadrant motor operation
50% reduction in output du/dt versus two-level systems
Increased phase voltage output levels with reduced harmonic distortion

Performance Features

Significant harmonic current reduction on power source side
Approximately 97% total inverter efficiency
95% or higher source power factor
High-reliability vector control system
Simplified maintenance procedures

Industrial Applications

Construction Materials: Kiln cooling fans, cement rotary kilns, grinders

Petrochemical & Mining: Compressors, blowers, pumps, pelletizers

Iron & Steel: Blast furnace blowers, dust blowers, crushers

Electric Power: Draft fans, condensation pumps, feed pumps

Other Industries: Water utilities, sugar mills, internal mixers

Technical Specifications

Control Mode	Starting Torque	Speed Range	Speed Precision	Torque Precision
V/F Control	1Hz 150%	1:50	±0.1%	No
Sensorless Vector 1	0.5Hz 150%	1:180	±0.3%	No
Sensorless Vector 2	0.25Hz 150%	1:360	±0.05%	Yes
Close Loop Vector	180% under 0Hz	1:1000	±0.02%	Yes

Motor Compatibility: General induction motors, permanent magnet synchronous motors (PMSM)

Output Voltage: 3 electric level with low harmonic

Maximum Frequency: 400Hz (Vector Control), 4000Hz (V/F Control)

Carrier Frequency: 0.5K-16KHz with automatic temperature adjustment

Overload Capability: G-type: 150% for 60s, 180% for 2s; P-type: 120% for 60s, 150% for 3s

SD3000 Series 1140V Models (37kW-1000kW)

Model	Power (kW)	Input Current (A)	Output Current (A)	DC Reactor	Output Reactor
SD3000-37G-T11-ASDA	37	20	23	7.3mH/25A	1mH/25A
SD3000-45G-T11-ASDA	45	26	28	5.6mH/32A	0.8mH/28A
SD3000-55G-T11-ASDA	55	34	36	4.2mH/42A	0.62mH/36A
SD3000-75G-T11-ASDA	75	47	50	3mH/58A	0.45mH/50A
SD3000-90G-T11-ASDA	90	56	60	2.6mH/69A	0.38mH/60A
SD3000-110G-T11-ASDA	110	68	73	2.2mH/85A	0.3mH/73A

SD3000 Series 3300V Models (800kW-3000kW)

Model	Power (kW)	Input Current (A)	Output Current (A)	Input Reactor	Output Reactor
SD3000-800G-T33-ASDA	800	166	173	1.2mH/170A	0.6mH/180A
SD3000-1000G-T33-ASDA	1000	208	216	1mH/210A	0.48mH/220A
SD3000-1250G-T33-ASDA	1250	259	270	0.8mH/260A	0.39mH/270A
SD3000-1500G-T33-ASDA	1500	311	324	0.67mH/320A	0.32mH/320A

SD3000 Series 6600V Models (1000kW-5000kW)

Model	Power (kW)	Input Current (A)	Output Current (A)	Input Reactor	Output Reactor
SD3000-1000G-T66-ASDA	1000	91	95	4mH/100A	2mH/100A
SD3000-1500G-T66-ASDA	1500	114	119	3.3mH/120A	1.6mH/120A
SD3000-2000G-T66-ASDA	2000	143	149	2.7mH/150A	1.3mH/150A
SD3000-2500G-T66-ASDA	2500	171	178	2.2mH/180A	1mH/180A