Description
MH2-340-57BAS-1-10 Eaton touch screen
MH2-340-57BAS-1-10 Eaton touch screen
Module Clips Drive controller servo motor
Contact: Mr. Lai
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Why is the power hybrid system not suitable for Chinese buses?
What does it take for electric hybrid buses to be successful?
China’s new energy vehicles started with public transportation buses, which were basically hybrid technologies from 2002 to 2013. Series, parallel, and hybrid connections have been tried, but planetary gear coupling (hybrid) technology has never been used. Basically, clutch power coupling technology is used. Since the domestic clutch power coupling technology basically fails to pass the test, the mechanical automatic clutch of hybrid buses of the American Eaton Company has been promoted, but its price is relatively high and it has not become popular. Some domestic companies have made many innovations based on learning from the technology of the American Eaton Company. However, product quality is difficult to compare with Eaton. After more than 10 years of hard work, the quality of domestic mechanical automatic clutches has also improved a lot.
To be successful, power hybrid buses must overcome three difficulties at the same time. That is, the engine system, motor system, and power coupling (hybrid) technology must be the most advanced in the world. This is basically impossible for the Chinese automobile industry.
China’s annual bus production volume is around 150,000, and its bus production volume is between 50,000 and 70,000. Bus manufacturers basically source their engine systems, motor systems, and power coupling (hybrid) mechanisms from outside. Chinese buses are basically sold domestically, and their prices are the lowest in the world. It is required that the engine system, motor system, and power coupling (hybrid) mechanism used in China’s power hybrid buses must be the most advanced. This is basically impossible.
Pure electric buses bring hope to the development of “overtaking in corners” of Chinese automobiles
“Overtaking on a curve” is just a metaphor. Some colleagues explained that “overtaking on a curve” is wrong. Traffic rules clearly stipulate that overtaking is not allowed on curves, but they do not stipulate that “overtaking on curves is prohibited.” The basic way to overtake is through “curves”. How do pure electric buses overtake in corners?
1. It avoids the two difficulties that the engine system must be the most advanced and the power coupling (hybrid) mechanism must be the most advanced;
2. The motor system must be the most advanced, the same in China and abroad. This must be tackled. It used to be three difficulties, but now there is only one difficulty left.
3. The most difficult part of a pure electric bus is the motor system, and a more in-depth analysis is the “power battery”. my country’s power battery technology and products are in the first echelon in the world. The conclusion drawn is that China’s pure electric buses are the most technologically advanced.
China’s pure electric buses are technically the most advanced, but can they be used?
The bottleneck in the availability of China’s pure electric buses is also the power battery. The lithium iron phosphate power battery can be charged more than 2,000 times at a time, which means it is basically guaranteed to be used for 8 years. The specific energy of the single unit has reached 140wh/kg, and the specific energy of the system has reached 100wh/kg. This indicator is relatively high in daily public transportation events. , which can basically meet the requirements, but there is still a certain gap in dealing with small-probability events.
While waiting for the progress of China’s power batteries, bus manufacturers have given full play to their subjective initiative, such as carrying out lightweight research to improve the continuous mileage of pure electric buses; through the convenience of charging, reducing the labor intensity of multi-frequency charging for bus companies, etc. , currently mature technologies include online charging technology, dual-gun fast charging technology arranged by dedicated personnel, etc.
The conclusion is: China’s pure electric buses are technically the most advanced and usable.
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1.Has been engaged in industrial control industry for a long time, with a large number of inventories.
2.Industry leading, price advantage, quality assurance
3.Diversified models and products, and all kinds of rare and discontinued products
4.15 days free replacement for quality problems
ABB — AC 800M controller, Bailey, PM866 controller, IGCT silicon controlled 5SHY 3BHB01 3BHE00 3HNA00 DSQC series
BENTLY — 3500 system/proximitor, front and rear card, sensor, probe, cable 3500/20 3500/61 3500/05-01-02-00-001 3500/40M 176449-01 3500/22M 138607-01
Emerson — modbus card, power panel, controller, power supply, base, power module, switch 1C31,5X00, CE400, A6500-UM, SE3008,1B300,1X00,
EPRO — PR6423 PR6424 PR6425 PR6426 PR9376 PR9268 Data acquisition module, probe, speed sensor, vibration sensor
FOXBORO — FCP270 FCP280 FCM10EF FBM207 P0914TD CP40B FBI10E FBM02 FBM202 FBM207B P0400HE Thermal resistance input/output module, power module, communication module, cable, controller, switch
GE —- IS200/215/220/230/420 DS200/215 IC693/695/697/698 VMICPCI VMIVME 369-HI-R-M-0-0-E 469 module, air switch, I/O module, display, CPU module, power module, converter, CPU board, Ethernet module, integrated protection device, power module, gas turbine card
HIMA — F3 AIO 8/4 01 F3231 F8627X Z7116 F8621A 984862160 F3236 F6217 F7553 DI module, processor module, AI card, pulse encoder
Honeywell — Secure digital output card, program module, analog input card, CPU module, FIM card
MOOG — D136-001-007 Servo valve, controller, module
NI — SCXI-1100 PCI – PXIE – PCIE – SBRIO – CFP-AO-210 USB-6525 Information Acquisition Card, PXI Module, Card
Westinghouse — RTD thermal resistance input module, AI/AO/DI/DO module, power module, control module, base module
Woodward — 9907-164 5466-258 8200-1300 9907-149 9907-838 EASYGEN-3500-5/P2 8440-2145 Regulator, module, controller, governor
YOKOGAWA – Servo module, control cabinet node unit
Main products:
PLC, DCS, CPU module, communication module, input/output module (AI/AO/DI/DO), power module, silicon controlled module, terminal module, PXI module, servo drive, servo motor, industrial display screen, industrial keyboard, controller, encoder, regulator, sensor, I/O board, counting board, optical fiber interface board, acquisition card, gas turbine card, FIM card and other automatic spare parts
