of the power grid voltages are acquired; the m2 subharmonic amplitude and the initial phase angle of the leakage currents are acquired; the effective value of the resistance leakage currents is calculated based on the harmonic superposition principle; the initial phase angles of the power grid ...
However, they require more insulating gas in order to provide the proper amount of insulation between the interrupter and the grounded tank enclosure. The modular dead tank CB has been specially developed for integration of SF6 insulated substation systems. The grounded tankmeans that interruption ha...
The project has now successfully entered the testing and commissioning stage. The project team will continue to uphold the principle of "safety first, quality foremost", strictly implement various safety regulations during the commissioning period and carrying out all testing procedures to ensure timely ...
Bar-type Current Transformer– This type of current transformer uses the actual cable or bus-bar of the main circuit as the primary winding, which is equivalent to a single turn. They are fully insulated from the high operating voltage of the system and are usually bolted to the...
5). Why CT is used in substation? This transformer is used for measurement & protection purposes in substation Thus, this is all aboutan overview of the current transformerwhich includes its definition, working principle, construction, different types, errors, and applications. Here is a question...
The internal resistance of the battery cell can be found out by using this below shown formula. Where r is the internal resistance of the battery cell. Measurement of Voltage by Potentiometer The principle of measuring voltage across a branch of a circuit with help of a potentiometer is also ...
In a substation, it protects the transformer, switchgear, etc. The disadvantages of disc insulators include the following. The string of this insulator is expensive compare with post and pin type insulators. It needs more height for supporting structure and also to maintain similar ground permission...
梦的工作步骤(The working steps of dreams) Communist Youth League Wuhan iron and steel (Group) Company Committee Steel green hair [2010]2 number On the recognition of two features is the year nine Wuhan youth creativity and efficiency activities The decision of advanced collectives and outstanding ...
This curriculum designs the primary coverage is aims at some 110kv transformer substation relay protection the disposition, and based on the relay protection disposition principle, to the protection which chooses carries on the installation computation and the sensitive verification.First short-circ[transla...
通过双方的努力不但发展了业务还增进了友谊。 We in line with the equality and reciprocity principle, have established the trade ties with the various countries consumer.Developed the service not only through both sides also to promote the friendship diligently.[translate]...