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GBT-MV series high voltage inverter
GBT-MV系列高压变频器
- Product Description
- Principles and characteristics
- Model definition and selection instructions
- Technical parameter
- One time plan
1. Dayu Electric has established a strategic technical cooperation relationship with Emerson of the United States. It has fully introduced the environmentally-friendly IGBT high-voltage inverter technology developed by Emerson’s power and electronic technology, and developed and produced Dayu Electric’s GBT-MV series of high-voltage Frequency converter. The control system adopts an advanced multi-core control platform (2×DSP+1×FPGA), highly integrated design, powerful functions, and avoids a large number of connectors. The main control system is installed in an overall shielded case, which improves the anti-interference ability of the system. The overall system adopts multi-level SPWM control to realize the variable frequency speed regulation drive control of the high-voltage motor, and effectively exert the power of the high-voltage motor variable speed operation. It plays a positive role in improving the control level of the equipment, meeting the process control requirements, and reducing the power consumption of the motor. .
GBT-MV series high voltage frequency converter is a voltage source type, high-high structure frequency converter. It adopts unit series connection and uses the principle of phase shifting and superposition to generate a nearly perfect sine wave. It directly outputs 6KV/10KV voltage without any output boost device. , Can directly drive high-voltage motors.
Product appearance
-
The high-voltage inverter system consists of a phase-shifting transformer, 24 (15) single-phase H-bridge inverters (three-phase input and single-phase output power units) and a control system. The AC output of each power unit is connected in series to achieve 10kV (6KV) Medium voltage output.
GBT-MV series high-voltage inverter adopts a multi-unit series structure. The input of the power unit is the output winding formed by a phase-shifting transformer. The front and rear two-stage units are connected end to end. The final Y-connected structure has a superimposed output of 6KV/10KV. ,
Features
1. It can adapt to harsh input voltage fluctuations, and can work within the input voltage range of -45% to +15%. Some manufacturers can only guarantee normal operation when the input voltage drops by 30 to 35%.
2. Three-level thermal redundancy of the control power supply. One control power supply comes from the high-voltage power supply circuit, and the other control power supply is taken from the external power supply; compared with the control power supply using two low-voltage circuits plus UPS power supply, the reliability is improved by an order of magnitude to ensure The inverter works uninterruptedly. Even when the control power supply and high voltage are powered off at the same time, the backup battery (or super capacitor) keeps the inverter from losing control, making the system safer and realizing thermal redundancy of the control power supply. The backup battery (or super capacitor) is simpler and easier to maintain than the UPS.
3. Unique heat dissipation and dustproof design, the power unit overheating protection setting value is up to 90℃, and the maximum working environment temperature of the inverter can reach 55℃.
4. The main control system adopts a three-core control architecture (dual DSP+FPGA). The logic operation and arithmetic operation are separated. The operation speed is faster, the anti-interference ability is stronger, and the system is more reliable.
5. The main control board adopts an 8-layer PCB board design, which has better immunity than 4-layer main control board; some manufacturers mostly use 2-layer boards or even single-layer boards.
6. The product design meets more stringent indicators than the IEC standard, and the standard product can output a rated voltage of 10kV in a plateau environment with an altitude of 3000m.
7. It has a debugging mode. It uses an external 380V low voltage voltage to increase to 10kV/6kV through the auxiliary winding of the phase-shifting transformer without connecting to the high-voltage input. The no-load debugging of the main power is performed, and the debugging and maintenance are simpler and safer.
8. With the "black box" function, it can record the real-time information of the fault in the first two cycles of the fault, and when the fault occurs, freeze the core electrical data of the two cycles before the fault occurs; at the same time, it can store more than 5000 alarms and faults Recording is convenient for maintenance and fault diagnosis.
9. I/O interface: switch input up to 50 kinds of combinations are optional, output up to 30 kinds of signals are optional; analog input and output are 4 channels; analog output is up to 10 kinds of signals optional, Some manufacturers mostly use I/O solidification, and the input/output points are not enough and need to be extended by PLC.
10, comprehensive anti-interference: through photoelectric isolation, reasonable PCB layout, three anti-paints, software filtering, peak voltage suppression network, air gap discharge tube, safety capacitor absorption network and other measures.
-
Selection table
GBT-MVG series universal type
Voltage level (KV) Specification model Rated capacity (kVA) Adapted motor power (KW) Output current (A) Weight (kg) Inverter size 1 (W×D×H, mm) Cabinet type 6
GBT-MVG0280-06/06C
280
220
27
3300
1800×1600×2550
Picture 1
GBT-MVG0350-06/06C
350
250
34
3500
GBT-MVG0400-06/06C
400
315
39
3500
GBT-MVG0500-06/06C
500
400
48
3500
GBT-MVG0630-06/06C
630
500
61
3500
1800×1800×2550
Picture 2
GBT-MVG0800-06/06C
800
630
77
4000
GBT-MVG0400-06/06B
400
315
39
3500
3200×1200×2702
Picture 3
GBT-MVG0500-06/06B
500
400
48
3600
GBT-MVG0630-06/06B
630
500
61
3800
GBT-MVG0800-06/06B
800
630
77
4200
GBT-MVG1000-06/06B
1000
800
96
4800
4575×1200×2730
Picture 4
GBT-MVG1250-06/06B
1250
1000
120
5200
GBT-MVG1600-06/06B
1600
1250
154
5600
GBT-MVG1800-06/06B
1800
1400
173
6700
5075×1500×2779
Picture 5
GBT-MVG2000-06/06B
2000
1600
193
7000
GBT-MVG2250-06/06B
2250
1800
217
7500
GBT-MVG2500-06/06B
2500
2000
241
7600
GBT-MVG2800-06/06B
2800
2250
270
8500
GBT-MVG3200-06/06B
3200
2500
308
8700
GBT-MVG3500-06/06B
3500
2800
337
---
----
----
GBT-MVG3800-06/06B
3800
3150
366
---
GBT-MVG4500-06/06B
4500
3550
433
---
GBT-MVG5000-06/06B
5000
4000
481
---
GBT-MVG5600-06/06B
5600
4500
539
---
GBT-MVG6250-06/06B
6250
5000
602
---
Voltage level (KV) Specification model Rated capacity (kVA) Adapted motor power (KW) Output current (A) Weight (kg) Inverter size 1 (W×D×H, mm) Cabinet type 10
GBT-MVG0300-10/10C
300
220
18
3300
2200×1600×2550
Picture 6
GBT-MVG0350-10/10C
350
250
20
3300
GBT-MVG0400-10/10C
400
280
23
3300
GBT-MVG0450-10/10C
450
315
26
3500
GBT-MVG0550-10/10C
550
400
32
4300
GBT-MVG0650-10/10C
650
500
38
4600
GBT-MVG0800-10/10C
800
630
46
4900
GBT-MVG0550-10/10B
550
400
32
4500
4000×1200×2652
Picture 7
GBT-MVG0650-10/10B
650
500
38
4600
GBT-MVG0800-10/10B
800
630
46
4900
GBT-MVG1000-10/10B
1000
800
58
5200
GBT-MVG1250-10/10B
1250
1000
72
5400
GBT-MVG1350-10/10B
1350
1120
78
6000
GBT-MVG1600-10/10B
1600
1250
92
7000
6125×1400×2732
Picture 8
GBT-MVG1750-10/10B
1750
1400
101
7500
GBT-MVG2000-10/10B
2000
1600
116
7600
GBT-MVG2250-10/10B
2250
1800
130
7800
GBT-MVG2400-10/10B
2400
2000
139
8000
GBT-MVG2800-10/10B
2800
2240
162
9100
GBT-MVG3200-10/10B
3200
2500
185
9500
6575×1500×2779
Picture 9
GBT-MVG3500-10/10B
3500
2800
202
9600
GBT-MVG4000-10/10B
4000
3150
231
10500
GBT-MVG4500-10/10B
4500
3550
260
11000
GBT-MVG5000-10/10B
5000
4000
290
12000
GBT-MVG5250-10/10B
5250
4250
303
13000
GBT-MVG5500-10/10B
5500
4500
318
---
---
---
GBT-MVG6200-10/10B
6200
5000
358
---
GBT-MVG6800-10/10B
6800
5600
393
---
GBT-MVG7600-10/10B
7600
6300
439
---
GBT-MVG8600-10/10B
8600
7100
497
---
GBT-MVG10M5-10/10B
10500
8000
606
---
GBT-MV series high performance type
Voltage level (KV) Specification model Rated capacity (kVA) Adapted motor power (KW) Output current (A) Weight (kg) Inverter size 1 (W×D×H, mm) Cabinet type 6
GBT-MVF0280-06/06C
280
220
27
3300
1800×1600×2550
Picture 1
GBT-MVF0350-06/06C
350
250
34
3500
GBT-MVF0400-06/06C
400
315
39
3500
GBT-MVF0500-06/06C
500
400
48
3500
GBT-MVF0630-06/06C
630
500
61
3500
1800×1800×2550
Picture 2
GBT-MVF0800-06/06C
800
630
77
4000
GBT-MVF0400-06/06B
400
315
39
3500
3200×1200×2702
Picture 3
GBT-MVF0500-06/06B
500
400
48
3600
GBT-MVF0630-06/06B
630
500
61
3800
GBT-MVF0800-06/06B
800
630
77
4200
GBT-MVF1000-06/06B
1000
800
96
4800
4575×1200×2730
Picture 4
GBT-MVF1250-06/06B
1250
1000
120
5200
GBT-MVF1600-06/06B
1600
1250
154
5600
GBT-MVF1800-06/06B
1800
1400
173
6700
5075×1500×2779
Picture 5
GBT-MVF2000-06/06B
2000
1600
193
7000
GBT-MVF2250-06/06B
2250
1800
217
7500
GBT-MVF2500-06/06B
2500
2000
241
7600
GBT-MVF2800-06/06B
2800
2250
270
8500
GBT-MVF3200-06/06B
3200
2500
308
8700
GBT-MVF3500-06/06B
3500
2800
337
---
----
----
GBT-MVF3800-06/06B
3800
3150
366
---
GBT-MVF4500-06/06B
4500
3550
433
---
GBT-MVF5000-06/06B
5000
4000
481
---
GBT-MVF5600-06/06B
5600
4500
539
---
GBT-MVF6250-06/06B
6250
5000
602
---
Voltage level (KV) Specification model Rated capacity (kVA) Adapted motor power (KW) Output current (A) Weight (kg) Inverter size 1 (W×D×H, mm) Cabinet type 10
GBT-MVF0300-10/10C
300
220
18
3300
2200×1600×2550
Picture 6
GBT-MVF0350-10/10C
350
250
20
3300
GBT-MVF0400-10/10C
400
280
23
3300
GBT-MVF0450-10/10C
450
315
26
3500
GBT-MVF0550-10/10C
550
400
32
4300
GBT-MVF0650-10/10C
650
500
38
4600
GBT-MVF0800-10/10C
800
630
46
4900
GBT-MVF0550-10/10B
550
400
32
4500
4000×1200×2652
Picture 7
GBT-MVF0650-10/10B
650
500
38
4600
GBT-MVF0800-10/10B
800
630
46
4900
GBT-MVF1000-10/10B
1000
800
58
5200
GBT-MVF1250-10/10B
1250
1000
72
5400
GBT-MVF1350-10/10B
1350
1120
78
6000
GBT-MVF1600-10/10B
1600
1250
92
7000
6125×1400×2732
Picture 8
GBT-MVF1750-10/10B
1750
1400
101
7500
GBT-MVF2000-10/10B
2000
1600
116
7600
GBT-MVF2250-10/10B
2250
1800
130
7800
GBT-MVF2400-10/10B
2400
2000
139
8000
GBT-MVF2800-10/10B
2800
2240
162
9100
GBT-MVF3200-10/10B
3200
2500
185
9500
6575×1500×2779
Picture 9 GBT-MVF3500-10/10B
3500
2800
202
9600
GBT-MVF4000-10/10B
4000
3150
231
10500
GBT-MVF4500-10/10B
4500
3550
260
11000
GBT-MVF5000-10/10B
5000
4000
290
12000
GBT-MVF5250-10/10B
5250
4250
303
13000
GBT-MVF5500-10/10B
5500
4500
318
---
---
---
GBT-MVF6200-10/10B
6200
5000
358
---
---
---
GBT-MVF6800-10/10B
6800
5600
393
---
---
---
GBT-MVF7600-10/10B
7600
6300
439
---
---
---
GBT-MVF8600-10/10B
8600
7100
497
---
---
---
GBT-MVF10M5-10/10B
10500
8000
606
---
---
---
1: The external dimensions listed in the table are standard dimensions and may be different from the actual external dimensions of the inverter. For models that do not indicate dimensions, please refer to the actual product.
-
Serial number project parameter Remarks 1
Use standard GB12668.4-2006/IEC 61800-4：2002
2
model GBT-MV
3
Supplier and origin Dayu Electric Technology Co., Ltd.
Place of Origin: Xiaogan
4
Installation Location indoor 5
Technical solutions Multi-level modules in series, AC-DC-AC, high-high mode 6
Requirements for electric motors Ordinary three-phase asynchronous motor 7
Whether there is a fuse on the input side of the inverter Have 8
Rated input voltage/allowable range 3kV/ ± 15 ％ ， 6kV/ ± 15 ％ ，10kV/±15％
9
System input voltage 3kV/6kV/10kV
10
System output voltage 0～3kV，0～6kV，0～10kV
11
System output voltage Varies due to different power and site conditions 12
Maximum output voltage of inverter side 3.3kV/6.3kV/11kV
13
Rated Capacity According to user requirements 14
Rated input frequency/allowable range 50±10%Hz
15
Sensitivity to grid voltage fluctuations Not sensitive 16
Inverter efficiency ≥98%
The parameters of different models are slightly different 17
harmonic <2%< p="">
18
Reliability index (mean time between failures) 30000h
19
Input power factor Greater than 95% The parameters of different models are slightly different 20
way to control V/F control and vector control 21
Control power 20A，380VAC
22
UPS type, parameters and capacity 220VAC 1000VA 30min
23
Rectification form and component parameters 3-phase uncontrollable rectifier 24
Inverter unit form H-bridge inverter 25
Transmission quadrant Two quadrant 26
Whether the electrical isolation part adopts fiber optic cable Use optical fiber communication
Model: HFBR-EUS100
Manufacturer: Agilent
27
Noise level £70dB
28
cooling method Forced air cooling 29
The influence of cooling system failure on frequency converter Within the allowable range, the alarm will not trip 30
Overload capacity 60s at 120%, 5s at 150%, immediate protection at 200% 31
Transformer loss ≤1.5％
The parameters of different models are slightly different 32
Total system loss ≤2.0％
33
Standard control connection Hardwired 34
Analog signal (input) specification and quantity 4-20mA, 2 channels According to user requirements 35
Analog signal (output) specification and quantity 4-20mA, 2 channels 36
Switch signal (input) specification and quantity 10 (Relay dry node 37
Switch signal (output) specification and quantity 14 (Relay dry node 38
Operation keyboard touch screen 39
Interface language Chinese or English According to user requirements 40
Dimensions of frequency conversion device (take one for one 6KV/710KW＜P≤1250KW as an example) Length 5030mm × Depth 1200mm × Height 2200mm 41
Weight of frequency conversion device (take one for one 6KV/710KW ＜ P ≤ 1250KW as an example) Around 4000Kg 42
Pre-disc maintenance or post-disc maintenance Pre-disc maintenance (reliable wall) 43
Do you need an output filter Not needed 44
Whether to provide output filter Not provided 45
Commitment to after-sales service Response within 24 hours
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Copyright: Dayu Electric Technology Co., Ltd TEL：0712-2883450 Address: No. 2, Hangtian Avenue, Xiaogan, Hubei