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Electrical & Grid

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15kV 3-phase Pole-mounted Transformer

Brand: WISHPOWER
Standard: GB/T10228-1997、GB6450-1986、IEC726
Factory Price Pad Mounted Transformers
Vector Group: Yyn0, Dyn11
Insulation Level: LI75AC35/AC3 LI170AC70/AC3

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DESCRIPTION

Specification

Primary Voltage (V)	13200	13200	13200	13200	13200	13200	13200	13200	13200
Model	TR D3-15-13200-220Y/127	TR D3-30-13200-220Y/127	TR D3-45-13200-220Y/127	TR D3-75-13200-220Y/127	TR D3-112.5-13200-220Y/127	TR D3-150-13200-220Y/127	TR D3-225-13200-220Y/127	TR D3-225-13200-220Y/127	TR D3-300-13200-220Y/127
KVA Rating	15	30	45	75	112.5	150	225	300	500
No-Load Loss (W)	90	126	170	240	315	360	520	660	1050
Full Load Loss at 85°C (W)	180	328	464	706	1000	1273	1856	2336	3400
Total Losses at a load factor of 80% (W)	205	336	467	692	955	1175	1708	2155	3226
80% load for distribution transformers (Efficiency in % at 85°C)	98.32	98.62	98.72	98.86	98.95	99.03	99.06	99.11	99.2
Impedance (85°C)	2.0–4.0	2.0–4.0	2.0–4.0	2.0–4.0	2.0–4.0	2.0–4.0	2.0–4.0	2.0–4.0	2.0–4.0
Oil Weight (L)	89	114	137	168	205	256	295	315	405
Total Weight (KG)	250	285	337	436	505	625	745	910	1050
Dimension (mm) A	950	980	1120	1180	1220	1260	1300	1350	1380
B	570	600	650	680	720	750	800	880	950
ØD	520	550	580	1000	1050	1070	1100	1180	1250
H	950	950	1000	1050	1070	1150	1180	1230	1230
Winding Material	AL-AL	AL-AL	AL-AL	AL-AL	AL-AL	AL-CU	AL-CU	AL-CU	AL-CU

If you are interested in our transformers and related transformer accessories, please get more information and professional solutions through this website or directly through info@wishpower.net

What is the 15kV 3–phase Pole–mounted Transformer?

A medium voltage power distribution system-based outdoor electrical transformer is a 15kV 3 phase pole mounted transformer. It is usually installed on utility poles to step down high-voltage electricity from the distribution network to the lower voltage (low, medium, or high distribution) for residential, commercial, or industrial use. The most common of such transformers has three phases that enable it to handle three-phase power, a common form of power transmission in modern electrical grids. The 3 phase system gives a more efficient and stable supply of power to a bigger load over the single-phase system. Bushings are normally provided at input and output connections and may feature surge arresters for protection against voltage spikes, for example. Pole-mounted transformers are usually equipped with bushings. It’s designed to work in harsh outdoor conditions with weatherproof insulation materials, insulated and waterproof. Pole-mounted transformers are often installed in rural or suburban areas with overhead power lines to maintain a cost-effective means for handling medium voltage distribution.

Three-phase Pole-mounted Transformer VS Single-phase Pole-mounted Transformer

In terms of design, capacity, and use, the main differences between a 3-phase pole-mounted transformer and a single-phase pole-mounted transformer are. The 3-phase transformer is designed to have three-phase electrical systems, being suitable enough for large loads and industrial or commercial use where stable and efficient transmission of power is needed. It has been designed to drive a balanced three-conductor output, minimizing losses and giving consistent performance over long distances. A single-phase pole-mounted transformer functions on a single phase and is therefore appropriate for residential areas as well as low power consumption applications, with lighter commercial usage. While simpler in design and less expensive for short-distance distribution, it is less efficient and cannot economically serve the bulk delivery requirements of industrial equipment. The three-phase transformer is also more complicated and expensive to manufacture and maintain, but it provides greater reliability and stability at varying load conditions, while the single-phase transformer is better suited to applications in which minimal power is required and installation and maintenance are simple.

How to choose?

The selection between a 15kV 3 phase pole mounted and a single phase pole mounted transformer largely will be dictated by the power required, the kind of application, and what infrastructure is available. A 3-phase transformer is an option if the electrical demand is high, Industrial, commercial, or in areas where stable and efficient power for large machinery and equipment is required. This kind of transformer can handle larger loads; it carries power in 3 conductors and requires more transmission power, and it works well for long-distance power transmission, making it suitable for large-scale applications. It also provides a balanced power supply which reduces interruptions in power supply, and provides increased reliability and stability in using varied loads. On the other hand, if the power demand is not much with more, residential homes or small businesses a single-phase transformer would be an appropriate and economical solution. These transformers are meant to prototype fewer loads that don’t need higher power for above mentioned household appliances and lighting systems. They are also easier to install, take up less space, and are easier to maintain than their 3 phase counterparts. However, they are less efficient in delivering long-distance power transmission and do not match the reliability and balance provided by a 3-phase system.

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