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Electrical & Grid

Transformers

15 kVA Pole Mounted Transformer

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

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DESCRIPTION

Specification

Primary Voltage (V)	13200
Model	TR D1-10-13200-120/240	TR D1-15-13200-120/240	TR D1-25-13200-120/240	TR D1-37.5-13200-120/240	TR D1-50-13200-120/240	TR D1-75-13200-120/240	TR D1-100-13200-120/240	TR D1-167-13200-120/240
KVA Rating	10	15	25	37.5	50	75	100	167
No-Load Loss (W)	60	75	106	142	137	203	235	275
Full Load Loss at 85°C (W)	82	120	181	253	362	426	564	1042
Total Losses at a load factor of 80% (W)	113	152	222	306	371	478	596	942
80% load for distribution transformers (Efficiency in % at 85°C)	98.61	98.75	98.9	98.99	99.08	99.21	99.26	99.3
Impedance (85°C)	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14	2.2~3.14
Oil Weight (L)	89	98	121	321	126	154	154	175
Total Weight (KG)	193	220	281	320	353	468	512	543
Dimension (mm) A	780	810	840	840	840	880	880	920
B	730	730	790	790	790	830	850	920
ØD	580	580	580	580	580	620	620	620
H	950	950	1000	1050	1070	1150	1180	1230
Winding Material	AL-AL	AL-AL	AL-AL	AL-AL	AL-CU	AL-CU	AL-CU	AL-CU

The table above is just one of our product parameters. If you want more information, please contact info@wishpower.net or download the file below.

What is the 15 kVA Pole Mounted Transformer?

The 15 kVA Pole Mounted Transformer is a type of transformer specifically designed for use in stepping down high-voltage electricity from power lines to lower voltages for residential or small commercial use. The transformer is small in size, light, and designed to withstand outdoor conditions, with robust housing made from robust materials to withstand corrosion, weather, or mechanical stress. The windings are usually constructed of copper or aluminum with minimal heat generation, and the core is typically made with high-quality silicon steel laminations to minimize energy losses. Its rated capacity is 15 kVA, so it is very suitable for moderately loaded regions in terms of electricity demand. It is equipped with advanced insulation systems that use oil or other requisite insulation means for efficient cooling and electrical insulation; and ensures long-term reliability and safety. Often the design includes primary bushings for connecting high-voltage lines and secondary terminals for delivering power to the desired voltage.

What does 15 kVA mean?

15 kVA is a kilovolt ampere, so it is the apparent power capacity of a transformer or electrical device. Maximum Megawatt (MW) handling of the transformer means both real (kW) as well as reactive power.

15 kVA is equal to 15,000 volt-amperes, or 15 kilo volt-amperes, which is called “kilo” since it means 1,000.

A product of voltage and current is said as volt-amperes in an electrical system.

In a transformer, the kVA rating (the number of killable) denotes how much power can be safely transferred into the transformer (or removed) without causing the transformer to overheat. The real power (kW) as such is not reflected, because they are included as active and reactive components.

To better understand:

Real Power (kW): The actual usable power that performs work.

Apparent Power (kVA): Real plus reactive power supplied, i.e. total power.

Power Factor: It is usually a ratio (usually 0.8 for transformers) of real power to apparent power.Apparent Power (kVA)=Mean (m), Apparent Power (kW)= kVA x Power Factor (pf)rforms work.

Apparent Power (kVA): The total power supplied, which includes both real and reactive power.

Power Factor: A ratio (usually 0.8 for transformers) that relates real power to apparent power.

For example, at a power factor of 0.8:

Real Power (kW)=Apparent Power (kVA)×Power Factor

Real Power=15kVA×0.8=12kW

A transformer, therefore, capable of delivering a maximum of 30000 voltampere apparent power rating, can be used where the power demand is not very high, i.e., for small commercial or domestic systems.

Is the 15 kVA Pole Mounted Transformer in AC or DC?

Designed to operate with AC, the 15 kVA pole-mounted transformers feature electromagnetic induction where the machine’s operation depends on the generation and transfer of electrical energy between a primary and secondary winding, both of which rest on top of a changing magnetic field. Alternating current, that is, a changing magnetic field produced by the continuously varying magnitude and direction of the magnetic field.

Key reasons why the 15 kVA pole-mounted transformer works with AC:

Electromagnetic Induction: A fluctuating magnetic field is induced in the secondary winding by the alternating current in the primary winding. DC will find it impossible to produce a changing magnetic field (Thus the process is not possible with DC).

Application in Power Systems: Since AC is the standard for electrical power transmission and distribution, AC transformers are vital load boxes in use to step voltages up or down in these systems.

Voltage Transformation: Changing high-voltage AC from power lines to lower, safer voltages for end users (homes and businesses) is what the transformer does.

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