Basic Info.
Type
Power Source Arrester
Structure
Zinc Oxide Arrester
Installation
Parallel Arrester
Operation Voltage
High Voltage
Function
Protect Electrical Devices in a.C.Power System
Features
Reduced Line Maintenance,Good Sealing,Explosion-Pr
Origin
Jiangyin Yunfeng, China
Product Description
Metal Oxide Surge Arrester(MOA) without Gaps for A.C.Sytems
Product Overview
MOA is composed of metal oxide varistors,housing(porcelain or silicon rubber),base,upper cover,grading ring etc.Our products have excellent performance in accordance with IEC international standard IEC600 99-4(2000) and China National Standard GB11032-2000 for "Alternating Current Gapless MOA".Polymeric housed MOA manufactured by AMTECH features small size,lightweight,simple manufacturing process,good sealing,explosion-proof,long working life,wounded-proof,high pollution resistance and reduced line maintenance,etc.
MOA Classification Code
Gapless arrester electrical parameter
Type | Rated voltage | MCOV | Residual voltge(kv) | Wave impluse withstand current 2000µ S square | Current impluse 4/10µ S high |
Steep impluse current | Switching impluse current | 8/20 µ Lightning impluse current |
YH10W-3 | 3 | 2.55 | 9.5 | 7.7 | 9 | 250 | 100 |
YH10W-6 | 6 | 5.1 | 19.5 | 15.4 | 18 | 250 | 100 |
YH10W-9 | 9 | 7.65 | 28.5 | 23.1 | 27 | 250 | 100 |
YH10W-10 | 10 | 8.4 | 36 | 30 | 23 | 250 | 100 |
YH10W-11 | 11 | 9.4 | 40 | 33 | 30 | 250 | 100 |
YH10W-12 | 12 | 10.2 | 38.0 | 30.8 | 36 | 250 | 100 |
YH10W-15 | 15 | 12.7 | 47.5 | 38.5 | 45 | 250 | 100 |
YH10W-18 | 18 | 15.3 | 57.0 | 46.2 | 54 | 250 | 100 |
YH10W-21 | 21 | 17.0 | 66.5 | 53.9 | 63 | 250 | 100 |
YH10W-24 | 24 | 19.2 | 76.0 | 61.6 | 72 | 250 | 100 |
YH10W-27 | 27 | 21.9 | 85.5 | 69.3 | 81 | 250 | 100 |
YH10W-30 | 30 | 24.4 | 95.0 | 76.5 | 90 | 250 | 100 |
YH10W-33 | 33 | 26.8 | 104.5 | 84.7 | 99 | 250 | 100 |
YH10W-36 | 36 | 29 | 114.0 | 92.4 | 108 | 250 | 100 |
YH10W-42 | 42 | 34.1 | 132.3 | 100.1 | 126 | 250 | 100 |
YH10W-48 | 48 | 39 | 152.0 | 126.0 | 150 | 250 | 100 |
YH10W-54 | 54 | 43 | 171.0 | 139.0 | 162 | 250 | 100 |
YH10W-60 | 60 | 48 | 208.0 | 160.0 | 180 | 250 | 100 |
YH10W-66 | 66 | 52.8 | 230.0 | 172.0 | 198 | 250 | 100 |
Note:Please drop "H" if it is porcelain arrester.
Main principie
Zinc-oxide lightning arrester is the most advanced over-voltage protector at present in the world. The voltage current characteristic of the varistor has been changed compared with traditional carborundum arresters due to the multiple metal oxide materials application in the core element-varistor,which has greatly improved the varistor's throughput capacity and brought thorough change to arresters'characteristics.
When arrester is under normal voltage,there is only microamp current through it .When it is under high voltage,arresters'excellent nonlinear voltage current feature gets into play,so the current through arresters will reach thousands of amperes and the arresters are at conducting status,releasing over-voltage energv to effectively protect the power transmission equipments from damage caused by over voltage.
Application and features
Zinc-oxide lightning arrester is protective equipment for electrical devices in A.C.power system from damage caused by over voltage or over-voltage operation.
Actuation ampere-second characteristic
A disconnector must work when there is faulty current. According to the national standard GB11032, dynamic ampere-second characteristic is to be tested at power frequency current 800A,200A, 20A, 5A virtual value at China National Center for Quality Supervision and Test of Insulators and Surge Arresters. The test results are shown in next table.
Test results of operating ampere-second characteristic
Current | 800A | 200A |
Sample No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Operation Time | 00.016 | 0.012 | 0.018 | 0.012 | 0.019 | 0.026 | 0.076 | 0.018 | 0.068 | 0.066 |
Current | 20A | 5A |
Sample No. | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
Operation Time | 50 | 35 | 2 | 1.5 | 24 | 46 | 529 | 595 | 98 | 316 |
Characteristics of MOA with disconnector
MOA is connected with wire via the disconnector. Under normal conditions,when lightning current and operating over-voltage current pass through MOA, the disconnector will not be actuated; under abnormal conditions,when MOA fails to operate,the disconnector will be actuated and the wire connected to the MOA will be cut off automatically, thus maintaining the continuous power supply and keeping enougf insulating distance between the wire and MOA.
Disconnector Capacity of Current Impulse Withstand and Operating Duty
The disconnector is installed in series with MOA. When MOA works properly, non-actuation of the disconnector guarantees MOA's normal performance. As National Standard GB11032 stipulates that the disconnector should withstand:
a.Long duration current impulse test;
b. Loading test;
The type test made by China National Center for Quality Supervision and Test os Insulators and Surge Arresters proves that the disconnector has non-reaction capability when withstanding 2ms 600A current impulse and 4/10µS 100kA high current loading.
Main Technical Parameters
A. Main technical parameters the same as MOA of corresponding type;
B. See the following Table for outline dimensions and weight.
Main parameters of polymer housed MOA with disconnector
Type of MOA | Fig. |
HY5WS-10/30TL | 23 (P37) |
HY5WS-17/50TL | 24 (P37) |
HY5WZ-10/27TL | 23 (P37) |
HY5WZ-17/45TL | 25 (P37) |
HY5WZ-51/134TL | 26 (P37) |
HY5WR-10/27TL | 27 (P38) |
HY5WR-17/45TL | 28 (P38) |
HY5WR-51/134TL | 29 (P38) |
Address:
No3, Naxiang Rd. Yunting Street, Jiangyin City, Wuxi City
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Electrical & Electronics
Management System Certification:
ISO 9001, ISO 20000, OHSAS/ OHSMS 18001
Company Introduction:
Jiangyin Yunfeng Electric Equipment Co., Ltd. is located in Jiangyin City, Wuxi City, Jiangsu Province, China. Founded in 1990, our company is one of the earliest manufacturers which develop 12kV indoor AC high voltage load switches and fuse-combination units with fuse tripping devices in China.
It is also a member of High Voltage Switch Branch of China Electrical Equipment Industrial Association and a member of Jiangsu Provincial Electrical Equipment Industrial Association.
Our company covers a land area of 32, 000m² And a construction area of 26, 000m² . Now, our company has 145 empolyees, 30% of whom are professional technicians. Our company possesses modern office equipment, excellent modern manufacturing processing equipment and all kinds of professional testing equipment.
Our company has more than ten utility models and invention patents. Moreover, we have passed ISO9001: 2008 Qualiy Management System Certification.
The main products of our company are high voltage load switches and circuit breakers of three voltage grades, namely 12kV, 24kV and 40.5kV. We supply high quality and reasonable price.
We stick to the principle"Quality first, service first" "Continuous impovement and innovation to meet the customers" for management and "zero defect and zero complaints′ as the quality objective.
We are willing to Research Unremittingly, focusing on Quality Dedicatedly and casting Reputation Continuously. And we wish that Yunfeng will become China′s largest high voltage load switch supplier and be your best choice.