Thread Content
Electrical technology discussion posts----1. Fault diagnosis of high-voltage motors; 2. Ensuring safety through the \"five protections\": A discussion on mechanical interlocks in high-voltage switchgear; 3. Quality issues with high-voltage isolators and measures for improvement; 4. Problems with connections in high-voltage cables; 5. Can transformers of different models be connected in parallel on high-voltage lines? 6 Practical Techniques for High-Voltage Switching Equipment 7 [Daily Question 20090131] What is the difference between high-voltage load switches and isolating switches? 8【Daily Question 20090129】What is the function of a high-voltage load switch? 9 The unsolved problems of high-voltage DC transmission. 10 Modification of high-pressure coal slurry pumps in gasification processes (electrical aspect). 11 Work instructions for high-voltage testing during transformer overhauls. 12 Exchange of experience regarding the operation of high-pressure motors; rewards will be given for good answers. 13 Problems with neutral point drift in high-voltage frequency converters 14 Isolation issues in high-voltage switchgear 15 Request for general electrical diagrams of automatic batching control systems, high-voltage cabinet circuits, and mill interlock circuits 16 Prices of high-voltage cold-shrink cable terminations and splices 17 10KV high-voltage motors 18 Issues in high-voltage cabinet design 19 Reliability indicators for ultra-high voltage DC transmission 20 Rotation direction of high-voltage motors 21 High-voltage frequency converters for exhaust fans 22 Ventilation in high-voltage distribution rooms: How to install windows for natural ventilation? 23 Selection of high-voltage motors 24 Please help explain why the 10kV high-voltage metering cabinet was struck by lightning 25 Does anyone know which companies in China have used high-voltage variable-frequency motors? Introduce the usage. 26 High-voltage distribution devices. 27 What is the difference between ABB’s DEAD TANK high-voltage circuit breakers and their GIS systems? 28 Ultra-high voltage fiber-optic differential protection. 29 Lightning strikes can destroy the primary surge arresters and high-voltage fuses in transformers. 30 The current status of ultra-high voltage DC transmission technology and its application prospects in China. 31 Seeking information on Siemens’ high-voltage equipment. 32 Discussions on high-voltage equipment. 33 Which high-voltage frequency converters are the best? 34 Evaluation criteria for high-voltage frequency converters in tendering processes and tender documents 35 Procedures for powering on high-voltage electrical equipment 36 Effects and consequences of grounding in high-voltage systems 37 Burnout of 10KV high-voltage cable terminals (please contribute to the analysis) 38 Can the startup of a high-voltage motor cause low-voltage motors to trip? 39 Strange cases of high-voltage motor failures 40 How to distinguish between medium-voltage and high-voltage frequency converters? What is the difference in principle compared to low pressure? 416-Is it necessary to conduct preventive tests on 35KV high-voltage cables every year? 42 Problems with the high-voltage reactive power compensation filtering devices in ion-exchange membrane caustic soda production plants. 43 Please discuss the advantages and disadvantages of using inductors for reduced-voltage starting of high-voltage motors. 44 A project involves 6 280KW motors; please explain the advantages and disadvantages of using high-voltage or low-voltage starting methods for these motors! 45 Effects of starting high-voltage motors 46 Causes and solutions for high-voltage circuit breakers failing to open or close 47 Reflections on UHV and power sector reforms after ice and snow disasters 48 Procedures for debugging high-voltage systems 49 Who can provide some examples of the use of high-voltage frequency converters in coking production? 50 Regarding full-voltage starting of high-voltage motors 51 Questions about electrical high-voltage diagrams 52 AC withstanding voltage test for high-voltage capacitor banks 53 In a dual-power, dual-circuit high-voltage power supply system, do both feeders operate simultaneously? 54 Can 10KV high-voltage motors be driven using frequency conversion? 55 Basic knowledge of electricity—what is an ultra-high-voltage power grid? 56 Manufacturing of high-voltage cable terminals 57 Specifications for dielectric withstanding voltage tests of the stator insulation in large high-voltage AC motors 58 Who is researching high-voltage motors? 59 Several issues to be noted during the construction of high-voltage cables 60 A new algorithm for fault location at both ends of high-voltage transmission lines equipped with series capacitive compensation devices 61 Lecture on high-voltage electrical equipment – Lecture on high-voltage electrical equipment 62 Is it more appropriate to use high-voltage or low-voltage power for 315KW motors? ?