Transformer is also known as the utility Transformer, is the current Transformer and voltage transformer collectively. Can turn high voltage into low voltage, large current into small current, used to measure or protect the system. Its main function is to convert high or large current into standard low voltage(100V) or standard small current(5A or 1A) in proportion so as to standardize and miniaturize measuring instruments, protective equipment and automatic control equipment. At the same time, the transformer can also be used to separate the high voltage system to ensure the safety of the person and equipment.
In power lines, the current difference from a few to a few thousand, voltage difference from several volts to several million volts. The current voltage in the line is high, so it is very dangerous to measure directly. To facilitate the conversion of the secondary instrument to a uniform current voltage, the Transformer is used to change current pressure and isolate electricity.
The instruments are mostly needle-type current voltmeters, so the secondary current of the current Transformer is mostly amped-grade(E. G. 5). With the development of the times, most of the power measurements have reached the digital, and the computer sampling signal is usually mA(0-5V, 4-20mA, etc.). The secondary current of the micro current Transformer is milliampere, which acts as a bridge between the large Transformer and the sample. The miniature current Transformer is called the "current Transformer for equipment". (`` Instrument Current Transformer "has a meaning that is used in laboratories for multicurrent than precise current Transformers, generally used to extend the meter range.
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The current transformer primary winding and secondary winding. The ringcore and coil are encapsulated in epoxy resin cast insulator, pillar structure is fullyenclosed, with excellent insulation properties and moisture resistance. Can be wetor surface condensation and two filihy conditions under normal operation. lscharacterized by dynamic multiple secondary output capacity, accurate coeficientis higher than similar products. Insulation performance and stability.
Type |
Rated primary
current |
Accuracy class |
Rated output |
Short-time thermal current |
Rated Dynamic current |
0.2S |
0.5 |
5P15 |
5P20 |
LZZBJ9-35/250W1 |
20~100 |
0.2S/0.2S
0.2S/0.5
0.2S/5P15
0.5/5P20
0.2S/0.5/5P20 |
10 |
15 |
15 |
15 |
90I1n/1s |
225I1n |
150~200 |
300~500 |
600~1250 |
15 |
30 |
20 |
20 |
45I1n/4s |
110I1n |
1500~2000 |
20 |
40 |
30 |
30 |
2500 |
20 |
40 |
20 |
20 |
LZZBJ9-35/250W2 |
20~100 |
0.2S/0.5/5P20
0.2S/5P15/5P20
0.5/5P15/5P20
0.2S/0.5/5P20/5P20 |
10 |
15 |
15 |
15 |
90I1n/1s |
225I1n |
150~200 |
300~500 |
600~1250 |
15 |
30 |
15 |
20 |
45I1n/4s |
110I1n |
1500~2000 |
20 |
40 |
20 |
30 |
2500 |
20 |
40 |
20 |
20 |
1.Rated insulation level 40.5/95/185kV:
2.Load power factor is COSΦ=0.8(lag)
3.Rated secondary current 5A or 1A:
4.Pollution class:class II:
5.Altitude: not more than 2000 meters
6.Instrument protection factor Fs≤ 10;
7.The other technical parameters,see
the table data;
Note: lf the user has other special requiremenis, part of the technical parameters to be adjusled appropriately.
Other Instrument Transformer
Other than this model we proudly offer a diverse array of other instrument transformers. Our extensive selection caters to the varied needs of our esteemed clientele, ensuring every customer finds the ideal solution for their specific requirements, blending innovation with reliability.
Zhejiang Xianghu Technology Co., Ltd. is a professional manufacturer of high and low voltage switch transmission and distribution equipment and high and low voltage electrical components, the production of fully insulated fully sealed inflatable cabinets, intelligent solid insulated ring host units, outdoor high voltage cable branch box, box-type substation, etc Product quality is stable, reliable, It is deeply trusted and approved by the customers. Our proudly exports its high-quality productsto a myriad of global destinations, with a significant presence in diverse and dynamic countries such as Ghana, Gambia, Ethiopia, the Philippines, South Korea, Bangladesh, Australia, Pakistan, Azerbaijan, Myanmar, and beyond. Our 11kV Current Transformer with 50Hz Frequency for Indoor Use has consistently garnered rave reviews for its impeccable quality and outstanding performance.
Our dedicated team excels in crafting the most cost-effective and innovative power solutions, tailored precisely for our clients' needs. We actively contribute to the design of sophisticated substation and distribution plans and engage in competitive overseas bidding. We have triumphantly addressed and resolved intricate product requirements, ensuring our clients' utmost satisfaction.
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Our credentials are bolstered by the acclaimed ISO certification . Additionally, we possess an extensive collection of diverse type test reports that exemplify the unparalleled quality and reliability of our products.
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Our dedicated packaging team excels in customizing exquisite wooden boxes, crafting distinctive logos, selecting vibrant colors, and designing unique labels tailored precisely to meet your requirements. We ensure that each product is impeccably packaged, safeguarding its integrity, and is dispatched with precision to reach you promptly.
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Q1: Are you a trading company or manufacturer ?
A1: We are a professional factory with 7 years experience in the field of high and low voltage power transformers, substation, vacuum circuit breaker, power equipment.
Q2: Do you accept customized serveice ?
A2: We offer OEM/ODM service , can print your logo on product . our professional technical and quotation team can provice a satisfied project according to your drawing and parameters .
Q3: What is your MOQ?
A3: Our MOQ is 1 piece.
Q4: How long is your delivery lead time ?
A4: It depends on your product requirement and quantity . Generally , 5~10 working days is avaliable .
Q5: How do you solve quality problems?
A5: Please porvide detailed photoes of quality problems. our technical and quality testing department will analyse.we will make asatisfied soluton within 2 days .
Q6: What is the price of shipping?
A6: Depending upon the port of delivery, prices varies.
Q7: What is your payment terms ?
A7: 30%T/T in adcance,70% before shipment . West union , L/C are also acceptable .