troubleshooting control circuits crack
Practical Troubleshooting of Electrical Equipment and Control Circuits pptx
... start/stop control of AC drives 166 6.11 Control wiring for VSDS 169 6.12 Commissioning VSDs 170 7 Troubleshooting control circuits 173 7.1 Basic control circuits 173 7.2 Ladder logic circuits ... Practical Troubleshooting of Electrical Equipment and Control Circuits Figure 2.8 Power and control circuit for an inverter drive Devices, symbols, and circuits 27 A few simple control ... methods 48 3.6 Testing devices 49 3.7 Circuits 61 3.8 Accurate wiring of circuits and connections 62 3.9 Tests for installation and troubleshooting 66 4 Troubleshooting AC motors and starters...
Ngày tải lên: 07/03/2014, 08:20
Power converter control circuits for two mass vibratory conveying system with electromagnetic drive simulations and experimental results IEEE trans
... with electromagnetic drive and power converter control circuits for its optimal control DESPOTOVIC ´ AND STOJILJKOVIC ´ : POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS VCS 459 Fig. 11. Amplitude ... voltage controlled os- cillator and controller output. This reference value is determi- nated by reference inputs, for amplitude and duration and for frequency. Both of these signals are controlled ... as (21) Considering and , (21) can be written as (22) DESPOTOVIC ´ AND STOJILJKOVIC ´ : POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS VCS 465 Fig. 22. Oscilloscopic records of resonant frequency seeking process. is...
Ngày tải lên: 03/01/2014, 19:16
pease, r. a. (1991) troubleshooting analog circuits
... slough off your troubleshooting chores we have all seen it happen. If you have a bunch of analog circuits that you have to troubleshoot, well, why don’t you just look up the troubleshooting ... suggestions on what to look for when troubleshooting data converter and analog circuits. What’s missing, though, is general information. When I started writing about this troubleshooting stuff, I realized ... were fabricated, and we’re gaining. In addition, we have added Czars for start-up circuits and for trim circuits, and a Czarina for data-sheet changes, and we are con- sidering other czardoms....
Ngày tải lên: 18/04/2014, 12:24
Motor control sensor feedback circuits
... stable, reliable and cost-effective control system. Further details on motor control circuits and sensors are provided in several books, including “Motor Control Electronics” (10). In addition, ... Parekh, Rakesh, “AN889 - VF Control of 3- Phase Induction Motors using PIC16F7X7 Microcontrollers”, Microchip Technology Inc., 2003. 10. Valentine, Richard, editor, “Motor Control Elec- tronics Handbook”, ... inside the PICmicro ® microcontroller. Figure 13 provides a block diagram of a sensorless control for a Brushless Direct Current (BLDC) motor that uses discrete comparator circuits. FIGURE 13: Block...
Ngày tải lên: 03/01/2014, 18:55
Báo cáo khoa học nông nghiệp " Investigation of rice kernel cracking and its control in the field and during post-harvest processes in the Mekong Delta of Vietnam " docx
... Report FIRST SIX-MONTHLY REPORT No of Milestone (MS) 2 Investigation of rice kernel cracking and its control in the field and during post- harvest processes in the Mekong Delta of Vietnam ... 0.40 1.20 2.80 10.80 4.00 5.20 0.00 2.00 4.00 6.00 8.00 10.00 12.00 FTT1 FTT2 FTT3 FTT4 FTT5 FTT6 FTT7 Treatm ent Cracking percentage % Figure 8: Cracking percentage of brown rice versus harvesting time (treatment FTT1 earliest ... tempering 22 1. Institute Information Project Name Investigation of rice kernel cracking and its control in the field and during post-harvest processes in the Mekong Delta of Vietnam...
Ngày tải lên: 21/06/2014, 06:20
Project Progress Report: " Investigation of rice kernel cracking and its control in the field and during post-harvest processes in the Mekong Delta of Vietnam - Ms5" pot
... rice grain yield due to cracking is one of the major issues that directly reduce income and availability of staple food to the farmers in the Mekong River Delta. The cracking or partial fissuring ... without air reversal, is superior to sun drying in terms of less crack percentage or more head rice recovery. About 3-4 % less cracking, and about 4 % more head rice recovery are main data obtained ... T R L Drying run Cracked grain ratio, % 0 20 40 60 80 123 456 789 101112131415161718192021 222324 252627 Drying run Breaking force, N Figure 11: Head rice yield (HRY), cracked grain % and...
Ngày tải lên: 21/06/2014, 06:20
INVESTIGATION OF RICE KERNEL CRACKING AND ITS CONTROL IN THE FIELD AND DURING POST-HARVEST PROCESSES IN THE MEKONG DELTA OF VIETNAM " ppt
... program in Feb-2007 At Kien Giang Province Projet: INVESTIGATION OF RICE KERNEL CRACKING AND ITS CONTROL IN THE FIELD AND DURING POST- HARVEST PROCESSES IN THE MEKONG DELTA OF VIETNAM ... program in July-2007 At Kien Giang Province Project: INVESTIGATION OF RICE KERNEL CRACKING AND ITS CONTROL IN THE FIELD AND DURING POST-HARVEST PROCESSES IN THE MEKONG DELTA OF VIETNAM...
Ngày tải lên: 21/06/2014, 06:20
Nghiên cứu khoa học nông nghiệp " INVESTIGATION OF RICE KERNEL CRACKING AND ITS CONTROL IN THE FIELD AND DURING POST-HARVEST PROCESSES IN THE MEKONG DELTA OF VIETNAM " pptx
... Province (Phong Dien & Co Do districts) Project: INVESTIGATION OF RICE KERNEL CRACKING AND ITS CONTROL IN THE FIELD AND DURING POST-HARVEST PROCESSES IN THE MEKONG DELTA OF VIETNAM ... (Vinh Thanh & Thot Not Districts) Project: INVESTIGATION OF RICE KERNEL CRACKING AND ITS CONTROL IN THE FIELD AND DURING POST-HARVEST PROCESSES IN THE MEKONG DELTA OF VIETNAM...
Ngày tải lên: 21/06/2014, 06:20
Project Completion Report:" Investigation of rice kernel cracking and its control in the field and during post-harvest processes in the Mekong Delta of Vietnam - MS4 " docx
... Report MS14: PROJECT COMPLETION REPORT 026/05VIE Investigation of rice kernel cracking and its control in the field and during post-harvest processes in the Mekong Delta of Vietnam ... 194 Grain cracking and head rice yield (HRY) Effect of harvesting method Harvesting method as such may not affect grain cracking and head rice recovery (Check), ... 3.4 Average 2.9±0.9 Effect of threshing method on grain cracking and head rice recovery The threshing method applied can cause the cracking in the rice kernels and eventually reduce the head...
Ngày tải lên: 21/06/2014, 06:20
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