SBH16-M-D Type Amporphous Metal Underground Distribution Transformer

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Q:How much W?
Ee22 transformer can be 20W. Transformer (Transformer) is the use of electromagnetic induction principle to change the AC voltage of the device, the main components are primary coil, secondary coil and core (core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage regulator (magnetic saturation transformer) and so on. According to the purpose can be divided into: power transformers and special transformers (electric furnace change, rectifier, frequency test transformer, voltage regulator, mine transformer, audio transformers, IF transformers, high-frequency transformers, impact transformers, instrument transformers, electronic transformers , Reactors, transformers, etc.). Circuit symbols commonly used as the beginning of the number. Example: T01, T201 and so on.
Q:What is the critical load of the economic operation of the transformer?
Power consumption of power transformer critical load First, the concept of economic operation and reactive power economic equivalent Economic operation refers to the way in which the power consumption of the entire power system can be minimized and the best economic efficiency can be achieved. The active loss of the power system is related not only to the active loss of the device but also to the reactive power loss of the device, since the reactive power consumed by the equipment is also supplied by the power system. Due to the presence of reactive power, the current in the system is increased, resulting in an increase in the active power of the power system.
Q:Know the rated capacity of the transformer, how to calculate its rated current?
E.g: 10KV / 0.4KV, 100KVA transformer, low voltage rated current: I = 100 / (1.732 * 0.4) = 144.34A
Q:Transformer Amorphous Alloy and Silicon Steel Sheet Advantages and Disadvantages
The use of magnetic properties of the protruding amorphous alloy, used to make the core material of the transformer, and ultimately get a very low loss value. But it has many features that must be ensured and considered in design and manufacturing. The main body is the following aspects:   (1) amorphous alloy sheet material hardness is very high, with conventional tools is difficult to cut, so the design should consider reducing the amount of shear.   (2) amorphous alloy monolithic thickness is very thin, the material surface is not very flat, then the core fill factor is low.
Q:Taiwan, Taiwan, the concept of transformer
Transformer refers to equipment; Taiwan change is installed in a place of the transformer, is specifically installed, running a transformer; Taiwan area refers to the regional range of variable power supply. Metering point is for the two sides to determine the installation of electric energy meter position, in general, the measurement point should be set at the demarcation point of property rights.
Q:What are the specifications of the transformer capacity?
Select the transformer capacity, to the existing load as the basis, appropriate consideration of load development, select the transformer capacity can be determined in accordance with the 5-year power development plan. When 5 years of power development is clear, little change and then the load is not less than 30% of the transformer capacity:     SN = KS ΣPH / (cosφ η)     Where: SN - box change in 5 years required configuration capacity, kVA ΣPH - 5 years old with financial calculations, kW KS - at the same time, generally 0.7 to 0.8 Cosφ - power factor, generally 0.8 ~ 0.85 Η - transformer efficiency, generally 0.8 ~ 0.9     According to the formula generally KS = 0.75, cosφ = 0.8, η = 0.8     SN = 0.75ΣPH / (0.8 × 0.8) = 1.17ΣPH     Example: a district in accordance with 50W / m2 design, then     PH = 50 × 19200 = 960kW     SN = 1.17 x 960 = 1123 kW     So the district selected three 400kVA transformer.
Q:Three-phase transformer how four ways to connect it?
This is the wrong label. The reason is as follows: 1, regardless of the winding of several transformers, its high voltage (primary side, input) may only be a set of windings. Which transformer has two inputs ah! Because only the representation of high-voltage connection, only with capital letters. 2, so the second letter (Y) is wrong, maybe redundant. Obviously, this is a three-winding transformer, the high voltage is Y connected, and there are zero line leads. The medium pressure and the high pressure are autocouple, so it is a0. A0 of course shows that the medium pressure in the phase with the high pressure phase. Is it mistaken for here that u should be u? The The 3, low pressure, of course, do not have to say is d then. 4, now the new standard of writing is not used (,) number to separate. If this is a standard three-winding transformer (the second winding is auto-coupled). Then it is: "YNa0d11" Convenient words, give an echo. So you take a closer look, whether as I said. Title may be wrong in expression.
Q:Transformer secondary side is high pressure or primary side is high pressure
Step-down transformer primary side is high pressure, secondary side is low pressure. The step-up transformer is just the opposite. Step-down transformer reverse use is the step-up transformer.
Q:Single bus sub-section for power distribution, transformer with a prepared and dual-use how to understand
One with one: single bus segment switch closed, only one transformer power supply, another standby. Dual use: single bus section switch off, two transformers were powered. Added: Single bus segment wiring form, it is a single bus with sub-section breaker into several sections. Increased reliability and flexibility compared to single-bus non-segmentation. Advantages: 1, two bus segments can be split operation, can also run side by side; 2, important users can be connected to a different dual-circuit busbars, to ensure uninterrupted power supply; 3, any bus or disconnector overhaul, only stop the paragraph, the remaining sections can continue to power, reducing the power outage range.
Q:220 volts to 24 volts transformer 20a is how many watts
The basic number of watts is the secondary side voltage x current that is 24 x 20 = 480 W. In fact it should be said that the voltammetry (VA) Rigorous argument P = EI cosθ, where cosθ is the power factor, if the power factor of 0.85, then P = 24 X 20 X 0.85 = 408 watts.

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