Соединительный участок трехфазных трансформаторов
Connection section of Three-Phase Transformers Three-phase transformers are widely used in power systems to step up or step down the voltage levels in three-phase circuits. The connection of the three-phase transformer windings determines the output voltage and current characteristics of the transformer. There are several types of connection groups for...
Каковы системы контроля температуры для трансформаторов сухого типа?
What are the temperature control systems for dry-type transformers? The safe operation and service life of dry-type transformers largely depend on the safety and reliability of the winding insulation. Exceeding the insulation withstand temperature due to winding temperature can lead to insulation damage, which is one of the main reasons...
Почему на трансформаторе так много вентиляционных пробок и газопроводов? Почему масло впрыскивается снизу бака?
Why are there so many vent plugs and gas guide pipes on a transformer? Why is oil injected from the bottom of the tank? Vent plugs are commonly installed on the radiator, lifting platform, oil storage tank, and casing of transformers. This is because if vent plugs are not installed,...
Как выбрать трансформаторы в соответствии с электрической нагрузкой?
How to Choose Transformers According to Electrical Load? The capacity of distribution transformers should consider the facility capacity of various electrical equipment, calculate the load (generally excluding fire loads), and the compensated apparent capacity is the basis for selecting the capacity and quantity of transformers. The load rate of general...
Что следует учитывать при выборе и использовании втулок?
What should be considered when selecting and using bushings? When selecting and using bushings, certain considerations need to be taken into account. Bushings, as current-carrying components of transformers, directly impact the insulation performance of transformers. Here are the key points to be aware of during selection and usage: (1) Ambient...
Рассмотрим различные соединения и их влияние на характеристики импеданса трансформатора со скользящим сердечником.
A Look at the Different Connections and Their Effects on Sliding Core Transformer Impedance Characteristics The impedance characteristics of a sliding core transformer are determined by the various connecting configurations of the windings. The delta connection provides the lowest change in impedance per unit of current. This makes the delta...
Как геологическая среда влияет на работу трансформаторов?
How does the geological environment impact the operation of transformers? The primary consideration is the transformer's ability to withstand earthquakes. Under normal operating conditions, it is stipulated that the horizontal acceleration of the ground should be less than 0.3g, and the vertical acceleration should be less than 0.15g. When installing...
La mesure d'un transformateur d’s non-caractéristiques de la charge est l'une des principales méthodes pour l'évaluation de la performance et de l'efficacité.Pas de charge caractéristiques reportez-vous à paramètres mesurés et enregistrés lors de l'enroulement secondaire du transformateur est en circuit ouvert, c'est à dire, sans charge connectée spécifiques et d'excitation conditions sont appliquées. Ces mesures includeno-tension de charge, courant sans charge, et pas de pertes de charge,qui sont cruciales pour la compréhension et l'optimisation de la conception et du fonctionnement du transformateur.
What are the most common winding connections for a three-phase transformer? The most common winding connections for a sliding core transformer are the delta, star, and Y-connections. The delta connection is typically used for higher voltage applications, as it provides a low impedance path for the current to flow. The...
Каковы преимущества однофазных трансформаторов?
What are the advantages of single-phase transformers? Less material usage: Single-phase transformers require 20% less iron and 10% less copper compared to three-phase transformers of the same capacity. Particularly when using a wound iron core structure, the no-load losses of the transformer can be reduced by more than 15%. This...
La mesure de la non-caractéristiques de la charge est une partie essentielle de la conception du transformateur et le processus de fabrication. Grâce à ces mesures, une évaluation complète du transformateur de la performance, et des données peut fournir un soutien pour l'optimisation de la conception. Exact pas de charge caractéristique mesures d'aider les ingénieurs à identifier et résoudre les problèmes dans la conception et la fabrication, l'amélioration de la performance globale andoperational la fiabilité du transformateur.
Maintaining and Operating a Contact Regulating Transformer In order to ensure the proper operation and maintenance of a contact regulating transformer, it is important to understand the basic principles and components involved. The primary components of the transformer are the contact coil, two arms, and two contact electrodes. The contact...
Несколько различных типов монтажных устройств для контактных регулирующих трансформаторов.
Several different types of wiring arrangements for contact regulating transformers. The most common type is the two-wire arrangement, which is typically used for low voltage applications. This arrangement consists of two leads, one connected to the contact electrode and the other connected to the DC power supply. This type of...
Каковы особенности трансформатора с контактным управлением?
What are the features of a contact-controlled transformer? The structure of a contact regulating transformer is relatively simple, but engineered with a number of special features. First, the transformer is designed with two or more coils and arms. The two or more coils act as the primary and secondary coils...
