Search results for keyword: harmonic
GB/T 2888-91 Fan and Roots Blower Noise Measurement Methods (3)
GB/T 2888-91 Measurement Method for Noise of Fans and Centrifugal Blowers
This standard specifies the noise measurement methods and requirements for fans and centrifugal blowers. This standard takes the A-weighted sound pressure level as the basic noise measurement index, and provides the require......
1036 
Sophie
Analysis of Causes of Frequency Converter harmonic Generation and Restraining Methods
Analysis of Resonant Causes and Suppression Methods of Frequency Converter harmonics
The harmonic wave has important implications for the safe and stable operation of the meter network, causing serious distortion of waveforms and causing the equipment to become soft and easy to be broken. One of ......
Application of High Speed Angular Contact Ball Bearings
Application of High-speed Angular Contact Ball Bearings
High-speed angular contact ball bearings are the most commonly used bearing type for high speed, high precision, and high rigidity oscillating motion in various mechanical applications, such as robots, automation equipment, optical and opto......
Reactive Power Compensation Methods and Some Existing Problems in Power System
Abstract
Electric power system reactive compensation is a very important fault, and its problems should not be taken lightly. In this paper, the general types of reactive compensation in electric power systems and their advantages and disadvantages are introduced. Moreover, the causes and solutio......
One Method for Quickly Eliminating Short Circuit Faults
Rapid Fault Detection and Clear in Short Circuit Electrical Network
Abstract:
Electricity is the engine of modern life and its reliability is a vital promise for its users. A reliable electrical network needs to be quickly and reliably identified when a fault occurs. Once a fault is identified, ......
Research on the method of suppressing the interference of large-capacity electric arc furnace to power grid
Research on the Suppression of Interference of Large Capacity Arc Furnace to Power Network
Abstract
As the current level of energy consumption in China continues to increase, the engineering application of electric arc furnace and other large capacity power devices continues to penetrate into va......
Various methods of tension judgment
Introduction
Stress is a part of normal life. In fact we often need stress to help push us to achieve goals or deadlines, deal with difficult situations, or even to help us get out of bed in the morning. However, an excessive amount of stress can create numerous negative emotions, physical and me......
Why do transformers use silicon steel sheets as iron cores?
Transformers use silicon steel sheets for their cores for a variety of reasons. These sheets, which are also known as grain-oriented silicon steel, have very desirable properties that make them well suited for use in transformers.
Silicon steel is an alloy that contains up to three percent silico......
swing rolling
Swaying and Compression
Some people love to swing, while others view it as a terror. Every child who swings is experiencing a different sensation that can be both thrilling and calming, depending on the individual person. In physics, swaying and compression are two linked concepts that can explai......
Montmorillonite
Ouachita National Forest
Located in the White River watershed of Arkansas and Oklahoma, Doahita National Forest is one of the oldest national forests in the UnitedStates. Established in 1907, it encompasses over 1.6 million acresacross the two states, making it the largest national forest in Arka......
Popular Entries
- Spanish heat-resistant steel steel grade
- Faults caused by incorrect mixing ratio of gasoline and engine oil
- How lifts work
- overseas trade
- London Exchange Alternative Investment Market
- Zibo Fushan Mining Co., Ltd.
- Brinell/Rockwell hardness conversion table
- Zhangjiagang Rural Commercial Bank
- ГOCT 5949-1975 Specifications for corrosion-resistant, heat-resistant and heat-strength steel bars and cold-worked products
- thermodynamics thermodynamics
- re-election workshop design
- employee satisfaction
- Density of diamond
- Rationalized Global Planning Model
- digital wallet
Recent Updates
- continuous casting
- ГOCT 5949-1975 Specifications for corrosion-resistant, heat-resistant and heat-strength steel bars and cold-worked products
- overseas trade
- shipping
- Korea Xinsheng Shipping Co., Ltd. Shanghai Office
- Hamilton's Protectionist Trade Doctrine
- Rationalized Global Planning Model
- Heckscher-Ohlin model
- black market price
- buy each other
- principle of reciprocal treatment
- The unit that accepts entrusted customs declaration
- reciprocal tariff
- sliding tariff
- digital wallet
- horizontal trade
Trending Keywords
Copyright © 2016 - 2024 by metal-knowledge.com. All rights reserved