Energy-Saving 6kV Permanent Magnet Synchronous Motor for Belt Conveyor Systems

◇ High Efficiency: IE4/IE5 energy class, 15–30% energy savings vs. traditional drives. ◇ Maintenance-Free: No gear oil/belts. ◇ Precision Control: Speed accuracy ±0.1%, fast dynamic response. ◇ Compact Design: 30–50% smaller than "motor+gearbox" systems.

Classification:

High-Voltage Permanent Magnet Syrnchronous Motor

Permanent Magnet Direct Drive Motor (PMDD Motor) Working Principle

The PMDD motor is a high-efficiency drive system that directly couples a permanent magnet synchronous motor (PMSM) with the load, eliminating intermediate transmission components like gearboxes or pulleys. Its core operational principles are as follows:

Magnetic Field Generation

◇ Stator

Composed of three-phase windings that generate a rotating magnetic fieldwhen powered by variable-frequency AC.

◇ Rotor

Embedded with high-performance permanent magnets (e.g., NdFeB), creating a fixed magnetic field.
No external excitation or brushes/slip rings (brushless design).

◇ Synchronous Operation

Interaction between the stator's rotating field and rotor's permanent magnetic field forces the rotor to rotate at synchronous speed(Slip=0).
Speed is precisely adjusted (0–100% rated speed) via frequency control.

◇ Direct Load Coupling

The rotor shaft connects directly to loads (e.g., fan impellers, conveyor drums), bypassing gearboxes/couplings.

Product	Product Category	Voltage	Power Range	Product Application
High Voltage PMSM (5-500rpm)	Explosion-proof	380/415V/460V	11KW-315KW,355KW-710KW	Oil & gas extraction (drilling rigs, oil pumps, compressors)
		380/415V/460V	11KW-315KW,355KW-710KW	Refineries (reactor agitators, centrifugal pumps)
		660V	11KW-315KW,355KW-71OKW	Chemical plants (flammable liquid transfer, gas compression)
		1140V	11KW-315KW,355KW-1600KW	Underground ventilation fans, conveyor belt drives
		3300V/4610V	200KW-1600KW	Coal dust transport equipment, drainage pumps
		6000V	200KW-1600KW	Alcohol extraction workshops, spray drying towers
		10000V	200KW-1600KW	Flour/sugar powder conveying systems, edible oil pressing equipment
	Non-explosion proof	380/415V/460V	11KW-315KW,355KW-710KW	For textile/engineering vehicles/belt machine tightening/air cooling island/flotation machine/separator/mixer/grinding machine/ball mill etc
		660V	11KW-315KW,355KW-710KW
		1140V	11KW-315KW,355KW-3000KW
		3300V/4610V	200KW-3000KW
		6000V	200KW-3000KW
		10000V	200KW-3000KW

Advantages

◇ Transmission efficiency >98% (vs. 90–95% for geared systems).
◇ Eliminates gear wear/belt slippage.
◇ Torque Control
◇ Uses FOC (Field-Oriented Control) or DTC (Direct Torque Control) to regulate torque via current phase adjustment.

Core Advantages

◇ High Efficiency: IE4/IE5 energy class, 15–30% energy savings vs. traditional drives.
◇ Maintenance-Free: No gear oil/belts.
◇ Precision Control: Speed accuracy ±0.1%, fast dynamic response.
◇ Compact Design: 30–50% smaller than "motor+gearbox" systems.

Technical Specifications

Voltage:380V/660V/1140V Other voltages customizable, up to 10kV

Installation size									Outline
A	B	C	D	E	F	G	H	K	AA	BB	BC	BD	GD	HA	HB	L	AB	AC	HD
670	560	280	110	150	28	100	450	42	150	840	80	140	16	35	-	1210	820	852	1340
900	560	315	150	180	36	138	560	42	180	970	120	180	20	35	-	1365	1080	1120	1575
900	800	315	180	220	45	165	560	42	180	1180	120	180	25	35	-	1620	1080	1120	1575
1000	800	335	210	240	50	193	630	54	200	1230	120	215	28	45	-	1720	1200	1250	1720
1120	900	315	230	260	50	213	710	54	200	1280	120	190	28	45	-	1750	1320	1140	1900
1320	900	315	250	280	56	230	800	62	200	1280	120	190	32	45	880	2145	1520	1580	1595
1500	1000	315	270	300	63	250	900	62	200	1330	120	165	32	45	1010	2220	1700	1850	1825
1700	1120	315	320	340	70	298	1000	62	220	1470	120	175	36	45	1220	2300	1900	2010	2025
1900	1120	355	370	390	80	345	1120	62	220	1560	120	220	40	45	1500	2530	2120	2220	2230

Rated torque (Nm)	Rated power (kW)	Frame	Model		Efficiency η%	Power factor cosφ	Rated current (A)			Maximum torque multiplier	Rated frequency (Hz)
			Explosion-proof series	Non-explosion-proof series			Rated current (A)
			Explosion-proof series	Non-explosion-proof series			380V	660V	1140V
4711	37	450	TBVF-37/40YC (660/1140)	JXSDZ-37-40-450-(380or660or1140)	92%	0.97	63	36	21	20	25
5730	45		TBVF-45/40YC (660/1140)	JXSDZ-45-40-450-(380or660or1140)			77	44	25
7003	55		TBVF-55/40YC (660/1140)	JXSDZ-55-40-450-(380or660or1140)			93	54	31
9550	75	560	TBVF-75/40YC (660/1140)	JXSDZ-75-40-560-(380or660or140)	92.5%		127	73	42
11460	90		TBVF-90/40YC (660/1140)	JXSDZ-90-40-560-(380or660or1140)			152	88	51
14007	110		TBVF-110/40YC (660/1140)	JXSDZ-110-40-560-(380or660or1140)			186	107	62
14007	110		TBVF-132/40YC (660/1140)	JXSDZ-132-40-560-(380or660or1140)			222	128	74
16808	132		TBVF-132/40YC (660/1140)	JXSDZ-132-40-560-(380or660or1140)			222	128	74
20373	160		TBVF-160/40YC (660/1140)	JXSDZ-160-40-560-(380or660or1140)			269	155	90
25467	200		TBVF-200/40YC (660/1140)	JXSDZ-200-40-560-(380or660or1140)			337	194	112
28013	220		TBVF-220/40YC (660/1140)	JXSDZ-220-40-560-(380or660or1140)			373	215	124
31833	250		TBVF-250/40YC (660/1140)	JXSDZ-250-40-560-(380or660or1140)			423	244	141
35653	280	710	TBVF-280/40YC (660/1140)	JXSDZ-280-40-710-(380or660or1140)	93%	0.96	476	274	159
40110	315		TBVF-315/40YC (660/1140)	JXSDZ-315-40-710-(380or660or1140)			----	309	179
45203	355		TBVF-355/40YC (660/1140)	JXSDZ-355-40-710-(380or660or1140)			----	348	202
50933	400		TBVF-400/40YC (660/1140)	JXSDZ-400-40-710-(380or660or1140)	94%		----	388	224
57300	450		TBVF-450/40YC (660/1140)	JXSDZ-450-40-710-(380or660or1140)			----	434	251
63667	500		TBVF-500/40YC (660/1140)	JXSDZ-500-40-710-(380or660or1140)				485	281
71307	560	800	TBVF-560/60YC (660/1140)	JXSDZ-560-60-800-(380or660or1140)	94.5%		----	540	313		37.5
80220	630		TBVF-630/60YC (660/1140)	JXSDZ-630-60-800-(380or660or1140)			----	604	350
90407	710		TBVF-710/60YC (660/1140)	JXSDZ-710-60-800-(380or66Oor1140)			----	681	394
101867	800	900	TBVF-800/60YC (660/1140)	JXSDZ-800-60-900-(380or660or1140)	95%		----	767	444
114600	900		TBVF-900/60YC (660/1140)	JXSDZ-900-60-900-(380or660or1140)			----	859	497
127333	1000		TBVF-1000/60YC (660/1140)	JXSDZ-1000-60-900-(380or660or1140)			----	954	552
142613	1120	1000	TBVF-1120/80YC (660/1140)	JXSDZ-1120-80-1000-(380or660or1140)	95.5%		----	1069	619		50
159167	1250		TBVF-1250/80YC (660/1140)	JXSDZ-1250-80-1000-(380or660or1140)			----	1193	691
178267	1400		TBVF-1400/80YC (660/1140)	JXSDZ-1400-80-1000-(380or660or1140)			----	1336	773
203733	1600	1120	TBVF-1600/80YC (660/1140)	JXSDZ-1600-80-1120-(380or660or1140)	95.5%		----	1527	885

Advantages of High-Voltage Permanent Magnet Synchronous Motors (HV-PMSM)

Ultra-High Efficiency, Significant Energy Savings

◇ Efficiency Class: Naturally meets IE4/IE5 standards (vs. IE2/IE3 for induction motors)
◇ Energy Saving Rate: 10%~20% lower power consumption than induction motors, reducing long-term operational costs
◇ No Excitation Loss: Permanent magnets provide the magnetic field, eliminating rotor copper losses (~15% energy waste in induction

High-Voltage Direct Drive, Simplified System

◇ Voltage Compatibility: Directly matches 6kV/10kV power grids, eliminating step-down transformers
◇ Gearbox-Free: Direct drive design removes gear transmission losses (improves mechanical efficiency by 5%~8%)
◇ Compact Structure: 30% higher power density than induction motors, saving installation space

Intelligent Control, Precise Speed Regulation

◇ Wide Frequency Range: Achieves 0~100% stepless speed control with inverters
◇ Fast Dynamic Response: Torque response speed 3x faster than induction motors
◇ Power Factor ≈1: No need for reactive power compensation, minimal grid interference

High Reliability, Low Maintenance

◇ Maintenance-Free Bearings: Some models use magnetic bearings (no mechanical wear)
◇ Fully Enclosed Design: IP65 protection rating, dust/corrosion-resistant
◇ Doubled Lifespan: No brushes/slip rings, design life up to 200,000 hours (vs. ~80,000 hours for induction motors)

Green & Low-Carbon, Policy Benefits

◇ Zero Carbon Emissions: Helps companies meet ESG goals

Application of High-Voltage Permanent Magnet Synchronous Motors (HV-PMSM) in Belt Conveyor Systems

High-voltage permanent magnet synchronous motors (HV-PMSM) are revolutionizing belt conveyor operations in mining, cement, ports, and other bulk material handling industries. Their high efficiency, direct drive capability, and intelligent control provide significant advantages over traditional drive systems.

Key Application Scenarios

Long-Distance Overland Conveyors
◇ Power Range: 500kW–5MW (6kV/10kV)
◇ Typical Length: 1km–20km
Advantages:
◇ Eliminates gearboxes and reduces energy loss by 8–12%
◇ Enables soft start/stop to prevent belt slippage (torque control within ±2%)
◇ IP66 protection for outdoor dust/rain conditions
High-Capacity Mining Conveyors
◇ Load Capacity: Up to 10,000 t/h
◇ Slope Angles: 0°–30° (downhill regenerative braking available)
Advantages:
◇ 200% starting torque for heavy-load acceleration
◇ Recovers energy during downhill operation (up to 15% regeneration)
Port Ship Loading/Unloading Systems
◇ Dynamic Requirements: Frequent start-stop cycles
Special Features:
◇ Anti-corrosion coating (C5-M marine grade)
◇ Integration with automatic tension control

FAQ

Q: What are the Permanent Magnet Direct Drive (PMDD) Motors vs. Induction Motors - Key Differences:
Answer:1.Efficiency
PMDD: >96% (IE5)
Induction: 90-95% (IE3/IE4)
2.Control
PMDD: Precise speed (±0.1%)
Induction: Slip (2-5% speed drop)
3.Maintenance
PMDD: No brushes/gearbox
Induction: Needs regular maintenance
4.Starting
PMDD: High torque, low current
Induction: Needs starter
5.Size
PMDD: 30-50% smaller
6.Cost
PMDD: Higher initial cost
Q:Can permanent magnets demagnetize? How to prevent it?
Answer:Demagnetization risks: High temperature (>150°C), strong reverse magnetic fields, or mechanical impacts may cause demagnetization.
Preventive measures:
◇ Use high-temperature-resistant magnets (e.g., NdFeB N42SH, HcJ≥35kOe).
◇ Design motor with protective slots for magnets.
◇ Install temperature sensors for real-time monitoring.
Q: Does PMDD require a drive? Can it start directly from line power?
Answer:Drive required:
◇ PMDD needs a variable frequency drive (VFD) for speed control.
◇ Direct line power startup may cause loss of synchronization and current surges (potential motor damage).
Recommended control methods: Field-oriented control (FOC) or direct torque control (DTC).
Q:What are the protection ratings for industrial PMDDs? How to select?
Answer: Common protection ratings:
◇ IP65: Dustproof + water jet protection (suitable for general industrial environments).
◇ IP66/IP67: Dustproof + strong waterproofing (for harsh environments like chemical plants and mines).
◇ Explosion-proof: Ex d IIC T4 (for hazardous areas like oil & gas).