Surge arrester scope of application
AC gapless metal oxide surge arresters are used to protect the insulation of AC power transmission and transformation equipment from lightning overvoltage and operating overvoltage damage. It is suitable for over-voltage protection of transformers, power transmission lines, power distribution panels, switch cabinets, power metering boxes, vacuum switches, parallel compensation capacitors, rotating electrical machines and semiconductor devices. Taporel Electrical Insulation Technology Co., Ltd. is a great company that can provide you with Great Surge Arrester.
Surge arresterâ??s Features and principles
The AC gapless metal oxide arrester has excellent nonlinear volt-ampere characteristics, good response characteristics, no freewheeling, large current capacity, low residual voltage, strong suppression of overvoltage, pollution resistance, anti-aging, and no altitude constraints. Simple structure, no gap, tight sealing, long life and other characteristics.
YH10W-33
YH10W-11
Polymer Surge Arrester/ Lightning Arrester High Voltage 11KV 15KV 33KV Arrester with High Breaking Capacity
1.Product Type: Surge arrester can be divided into many types according to its application as below: Distribution type,power station type,protecting capacitor type,transformer neutral point type ,protecting motor type,electrified railway type,line type.etc. Line type surge arrester can be divided into series spacing type and without spacing type and in series spacing type can be divided into supporting spacing and sure air spacing type. 2.Main Product Features: 2.1It has a series of outstanding features such as good protection performance,high circulating capacity ,less reaction time,smooth steep-wave characteristic. 2.2 Excellent silicon rubber material is used in composite housing,possessing good anti-tracking and ageing-resistant performance as well as good hydrophobicity ,ion transferring and high pollution proof. 2.3 Special technique and internal structure are used in composite housing surge arrester,possessing higher technical strength and good explosion-proof performance. 3.Service Conditions: 3.1 Ambient Temperature: - 40 + 50 3.2 Altitude: 1000m; 3.3 Frequency : 48 Hz , + 50 Hz; 3.4 Power Frequency Voltage exerted long-time on surge arrester shall not exceeds continuous operation voltage; 3.5 Earthquake intensity is not more than 7 grades; 3.6 Wind speed is not more than 35mm/s; Usage under exceptional conditions shall be negotiated by both parties.
DK-60 power supply series modular surge protective device(SPD) is designed according to IEC61643 standard. It is accordance with the criterion of Low-voltage Surge Protective Devices-Part 1: Surge Protective Devices Performance Requirements and Test Method of Low-voltage Power Distribution System. With good sealing, it is designed as module and 35mm DIN-Rail Mounting. With working indication window, temperature control circuit breaker and built-in over-current protective circuit, the modular SPD can release automatically to avoid fire danger when it breaks down. With remote alarm connector, it is convenient for remote monitoring. The main module and the base are replaceable. The lightning protection modes is L-PE, N-PE (4P) or L-N-PE (3+1).
11KV/33KV/66KV/110KV/220KV Low & High Voltage Composite Polymer Suspension Type Surge Arrester Lightning Arrester Manufacturer Product Description Standards: IEC 60099-4 The ambient air temperature is no higher than +40 C, no lower than-40 C. The altitude above sea level dose not exceed 2000m. AC system frequency is 50Hz or 60Hz. AC voltage brought to bear on arrester for a long time dose not exceed arrester's continuous operating voltage. The maximum wind speed dose not exceed 35m/s. The earthquake intensity dose not exceed 7 degrees.
Medium voltage surge arrester are electrical devices designed to protect electrical equipment from surges or transients that occur on medium-voltage power systems. These systems typically operate at voltages between 1kV and 36kV, and they are commonly found in various industries, such as manufacturing, oil and gas, and utilities. Medium voltage surge arresters work by detecting and diverting excess voltage away from the equipment and toward the ground. They are typically composed of metal oxide varistors (MOV) or zener diodes, which provide a low resistance path to the ground during transient events. When a surge or transient occurs, the surge arrester conducts the excess energy to the ground, protecting the equipment from damage. MV surge arrester are selected based on the specific application, voltage requirements, and surge current capacity. They are often installed in parallel with the equipment they are protecting, with a short path to the ground. Proper installation and maintenance are important to ensure the effectiveness of the medium voltage surge arrester. Application of Medium Voltage Surge Arresters surge arrester medium voltage are commonly used in a variety of applications, including power distribution systems, industrial facilities, and commercial buildings. They are installed to protect equipment such as transformers, switchgear, motors, and other medium voltage electrical components from voltage surges or transients caused by lightning, switching operations, or other sources. Medium voltage surge arresters are also used for the protection of telecommunication networks, data centers, and other critical electronic equipment. They play a significant role in ensuring the safety and reliability of power systems, protecting equipment from damage, and reducing the risk of operational downtime. Proper selection, installation, and maintenance of medium voltage surge arresters are essential to their effective operation and long-term service life. For more information about medium voltage surge protection and varistor zno, please feel free to contact us!
Ac power arrester surge protector Applications: C/d class surge protective device for ac power system. Sensitive electronic equipment Telecom centers Automatic control centers Intelligent mansions Industrial enterprises Medical institutes Features: Din rail mounting for easy installation Plug connectors for quick and easy connection or rewiring 40ka maximum surge current Thermal disconnect device Status indicators visually verify protection level Surge protection device with n-pe residual current spark gap as 3+1 circuit Specifications about m40b3+n Parameterm40dnpe50 Iec /vde level ii/c ii/c Nominal operating voltage 110/220v ac 500v(n-pe) Max. Continuous operating voltage 275v 61630;/250v Leakage current at 1ma
Key specifications/special features for surge arrester: System nominal voltage(kv): 33 Type code of moa: yh10w-30/90 System highest voltage(kv): 36 Rated voltage of arresters(ur)(kv): 30 Continuous operationg voltage(ur)(kv): 24 Nominal discharge current(in)(kv): 10 High current 4/10 impulse withstand(ka): 100 2ms rectangular current(a): 250 Steep current impulse residual voltage(kv): 99 Lightning impulse residual voltage(kv) 5ka: 85 10ka: 90 20ka: 101 Switching current impulse residual voltage(kv): 69 Lind discharge class: i Pressure relief class: b, 20 Insulation impulse withstand voltage(kv): 170 Power frequency withstand voltage(kv): 95 Max. External riv(v):
