Electric Engineering 2009 Issue 11 Design of Soft Starter Based on AT89S52 MCU

Design of Soft Starter Based on AT89S52 MCU

..............page:38,55

Setting of a Certain Engineering Micro-Computer Protection Device

..............page:9-10

Daily Maintenance of Petrochemical Enterprise Instrument

..............page:64-65

dian gong ji shu chuang kan 30 zhou nian gan yan zheng ji

..............page:31

Analysis of Capacitor Parallel Connection Differential Prote-ction

..............page:11-12

Construction of Low Voltage Reliability Management System

..............page:1-2

Cause Analysis of 500kV Yumao Une TV Secondary over Drop

..............page:70-71

Scientific View of Electromagnetic Radiation,Creating a Har-monious Environment for Electric Power Construction

..............page:56,67

Maintenance and Verification of Induction Single-Phase Ele-ctric Energy Meter

..............page:66-67

Design of Generator Unit Starting Protection Rlug-in Based on MPC555

..............page:20-21

dian gong ji shu lai gao yao qiu can kao wen xian

..............page:71

Building Permanent Magnet Synchronous Motor Experimental Platform Based on LabVIEW

..............page:59-61

Separate Bodies LCD Display Motor Control arid Protection Unit

..............page:52-53

220kV Line Protection Device Completion Acceptance

..............page:15-16

Analysis and Improvement of Protective Action Resistance Caused by Channeis Switching Malfuncion

..............page:57

Partial Discharging Detection System Based on Ultrasonic

..............page:43-44

xin zheng cheng xin meng xiang zheng tai dian gong 2009 hai wai ying xiao hui yi ji shi

..............page:插3-插4

Improvemant of LW16Type Breaker SF6 Density Relay Conne-ction

..............page:72

Cause Analysis of 220kV Nanping Substation 2#Main Transfo-rmer 2202 Switch A Phase Trip

..............page:46,49

Example Analysis of Cooler Malfunction in Shut Off Valve Set Charging Experiment

..............page:54-55

ning ju shang ye zhi hui gong pu shi chang hua zhang zheng tai di san jie guo ji ying xiao da hui zhao kai

..............page:插1

Portable XLPE Cable Insulation Detection Device

..............page:27-29

PLC Control System Used in Spring Tip Induction Heating Production Line

..............page:34-35,37

zheng tai " ji shu jin bu yu zhi neng dian wang " gao feng lun tan long zhong zhao kai

..............page:插2

PROFINET Field Bus Based on Industrial Ethemet

..............page:45,53

Protection Malfunction Caused by DC Circuit Interfered by AC

..............page:30-31

PLC Applied in Flotation Liquid Position Automatic Control

..............page:36-37

PLC Technology Used in Automatic Door Control System

..............page:32-33

Planning Conception of City Distribution Grid

..............page:22-24

Communication Technology Used in Locomotive Localiza-tion

..............page:39-40

sheng ming

..............page:33

Selection of 110kV Substation Auto Switch Device Breaker Contact Position

..............page:47,71

Comparison of Converter Station Drug-Feeding and Softening Reverse Osmosis Water Treatment System

..............page:48-49

Analysis of Protection Action Caused by Primary Equipment Malfunction Malfunction

..............page:50-51

Digital Auto Switch Used in Power Grid

..............page:18-19

Searching Method of TV Secondary Circuit Multipoint Earth-ling

..............page:68-69

High-Power Power Supply Intelligent Integrated Control Sys-tem

..............page:62-63

Research and Implement of Insulator R Type Lock-Weight Special Clamp

..............page:58

Configuration Scheme of Smoothing Reactor in Ultra-High Voltage DC System

..............page:6-7,40

Analysis of 110kV Line Protection Malfunction

..............page:3,10

Analysis of Monitor System Switch Trip Signals Abnormal

..............page:17,19

Analysis of PSL 602GAS Protection Device Refuse Action

..............page:8,12

Field Application arid Debugging of 220kV Backup Auto S-witch Device

..............page:4-5,14

Analysis of Application of Longyan Power Grid 110kV In-Line Auto Switch

..............page:25-26

Discuss of Digital Substation Relay Protection Acceptance

..............page:13-14

Digital Potentiometer Applied in Partial Discharging Detection

..............page:41-42