An Active Harmonic Filter (AHF) is a power electronic device used to detect and eliminate harmonic currents in electrical power systems. It injects an equal and opposite compensation current into the network to cancel unwanted harmonics, improve power quality, and reduce distortion. Unlike passive harmonic filters that use fixed combinations of capacitors and reactors, ...
24kV Air Insulated Medium Voltage (MV) Switchgear (AIS) is a metal-enclosed switchgear assembly designed for 24kV distribution systems. It uses air as the insulation medium between live conductors and grounded metal compartments. Vacuum circuit breakers (VCBs) are commonly used for switching and protection, providing reliable interruption of load and short-circuit curren...
12kV Air Insulated Medium Voltage (MV) Switchgear (AIS) is a metal-enclosed switchgear assembly used in medium-voltage power distribution systems. It utilizes air as the primary insulation medium between energized conductors and grounded metal enclosures, while vacuum circuit breakers (VCBs) are commonly used for switching and fault interruption. The equipment provides s...
36kV Gas Insulated Ring Main Unit (RMU) is a compact, metal-enclosed medium-voltage switchgear designed for 36kV (40.5kV maximum system voltage) distribution networks. It integrates switching, protection, isolation, and control functions within a sealed gas-insulated enclosure. The primary live parts are housed in a stainless-steel tank filled with SF6 gas or environment...
24kV Gas Insulated Ring Main Unit (RMU) is a factory-assembled, metal-enclosed medium-voltage switchgear designed for 24kV distribution networks. It provides reliable switching, protection, sectionalizing, and fault isolation while maintaining uninterrupted power supply to healthy sections of the network. The primary live components are enclosed in a sealed stainless-ste...
12kV Gas Insulated Ring Main Unit (RMU) is a compact, factory-assembled medium-voltage switchgear used in secondary power distribution networks. It is designed to provide switching, protection, isolation, and sectionalizing of 12kV distribution feeders while ensuring high reliability and minimal maintenance. All energized components are enclosed in a sealed gas-insulated...
Overview: It is mainly used for the reciprocating compression test of foam polymer materials, and measuring the residual deformation rate, so as to know the material's dynamic fatigue characteristics. The number of tests, the display force value and the impact frequency can be freely set. The whole machine is easy to operate and easy to maintain. With high reliability, a...
1.Machine model and name: YAW-300S automatic exhaust duct compression testing machine 2.Application: This testing machine is mainly used for the test of pressive strength of duct finished products, which is applied to the standard for the JG/T194-2006. 3.Main technical specifications: 3.1. Max. Test force: 300kN 3.2. Test force measuring range: 4%-100%FS 3.3. Test fo...
The ultrasonic flow meter market is projected to grow from USD 1.52 billion in 2025 to USD 2.28 billion by 2031 (Mordor Intelligence). As demand surges across fields such as liquid cooling and battery manufacturing, buyers face a crowded field of suppliers. The question is no longer just about accuracy or price—it is about which partner can deliver reliable performance i...
A Line Trap (also called a Wave Trap or Carrier Blocking Coil) is a high-voltage power system component used in Power Line Carrier Communication (PLCC) systems. It is installed in series with a transmission line to block high-frequency communication signals from entering unwanted parts of the power network while allowing 50/60 Hz power frequency current to pass normally....
An Iron Core Reactor is an electrical reactor (inductor) that uses a magnetic iron or steel core to increase inductance and magnetic flux concentration. It is designed to provide controlled inductive impedance for reactive power compensation, current limiting, harmonic filtering, and voltage regulation in power systems. Unlike an Air Core Reactor, the iron core provides...
An Air Core Reactor (ACR) is a type of electrical reactor (inductor) that uses a coil winding without an iron or steel magnetic core. Its inductance is produced by the magnetic field generated in the surrounding air. It is widely used in transmission and distribution systems for current limiting, harmonic filtering, reactive power control, and power quality improvement. ...
A Super Capacitor (also called an Ultracapacitor or Electric Double-Layer Capacitor, EDLC) is an advanced energy storage device that stores electrical energy through electrostatic charge separation rather than chemical reactions used in conventional batteries. Super capacitors provide very high power density, extremely fast charging/discharging capability, and very long...
A Capacitor Bank is an assembly of multiple capacitor units connected together to provide reactive power compensation (kvar/Mvar) in electrical power systems. Capacitor banks are used to improve power factor, voltage stability, system efficiency, and power transmission capacity by supplying leading reactive power to offset inductive loads. They are widely installed in u...
A Capacitor Unit is a power system component used to supply reactive power (kvar), improve power factor, regulate voltage, and increase the efficiency and stability of electrical networks. Multiple capacitor units are typically connected together to form a capacitor bank installed in substations, distribution networks, industrial plants, and renewable energy systems. Ca...
A Mobile Substation is a transportable electrical substation designed to provide temporary, emergency, or rapidly deployable power transformation and distribution capability. It integrates major substation equipment—including transformers, high-voltage switchgear, medium-voltage switchgear, protection systems, control panels, and auxiliary systems—onto a trailer, skid, o...
1. General Description 36kV Gas Insulated Medium Voltage Switchgear (C-GIS), also known as Compact Gas Insulated Switchgear, is a medium-voltage metal-enclosed switchgear system designed for 30kV/33kV/36kV distribution and sub-transmission networks. C-GIS uses a sealed gas-insulated enclosure to protect primary components such as the vacuum circuit breaker (VCB), busba...
1. General Description 24kV Gas Insulated Medium Voltage Switchgear (C-GIS), also known as Compact Gas Insulated Switchgear, is a medium-voltage metal-enclosed switchgear system designed for 20kV/22kV/24kV distribution networks. C-GIS combines gas insulation technology with vacuum circuit breaker (VCB) interruption technology to provide a compact, reliable, and environ...
245kV Gas Insulated Switchgear (GIS) is an extra-high-voltage switchgear system designed for 220kV class transmission networks. It uses SF6 gas or environmentally friendly alternative insulating gases as the insulation medium and integrates high-voltage primary equipment—including circuit breakers, disconnectors, earthing switches, current transformers, voltage transform...
145kV Gas Insulated Switchgear (GIS) is a high-voltage switchgear system used in 132/138kV class transmission networks. It uses SF6 gas or alternative environmentally friendly insulating gases as the insulation medium and combines major high-voltage equipment—including circuit breakers, disconnectors, earthing switches, current transformers, voltage transformers, and bus...
Glass Disc Insulator, also known as a Toughened Glass Suspension Insulator or Glass Cap-and-Pin Insulator, is a high-voltage insulator used for overhead transmission and distribution lines to electrically isolate conductors from towers and support structures while withstanding mechanical tensile loads. It is manufactured from toughened (tempered) glass, combined with me...
Porcelain Station Post Insulator, also known as a Pedestal Insulator or Substation Post Insulator, is a high-voltage electrical insulation component used in outdoor substations and switchyards to support and electrically isolate busbars, disconnectors, circuit breakers, instrument transformers, and other high-voltage equipment from grounded structures. It is manufacture...
123kV Inductive Voltage Transformer (IVT), also known as a Potential Transformer (PT) or Voltage Transformer (VT), is a high-voltage instrument transformer designed to accurately reduce transmission system voltages up to 123 kV to standardized low-voltage outputs for metering, protection, monitoring, and control. It provides galvanic isolation between the high-voltage ne...
How to Prevent Solenoid Burnout and Extend Lifespan: Complete Guide Introduction To Solenoid Burnout Solenoids can be used in different industries from industrial automation to smart locks, medical devices, automotive, vending machines, valves, and security devices due to its ability to provide motion control by using electromagnetic forces. Nevertheless, one of the ma...
At Shenzhen Wanty Photoelectric Co., Ltd., we provide one-stop customized touch display solutions, supporting customers from initial concept development to mass production. A. Requirement Analysis We understand your application needs, including product structure, working environment, display requirements, and touch performance. B. Design & R&D Development Our engineeri...
A Medium Voltage (MV) Soft Starter is a solid-state motor starting device designed to start and stop medium-voltage AC motors smoothly by gradually increasing and decreasing the applied voltage. It reduces the high inrush current and mechanical stress associated with direct-on-line (DOL) starting. Most MV soft starters use thyristors (SCRs) for voltage control and a bypa...
A Medium Voltage AC Drive (MV AC Drive), also called a Medium Voltage Variable Frequency Drive (MV VFD) or Medium Voltage Adjustable Speed Drive, is a power electronic device used to control the speed, torque, and power consumption of medium-voltage AC motors by varying the output voltage and frequency. It is widely used for large motors in industrial and utility applica...
A Medium Voltage Motor (MV Motor) is an electric motor designed to operate at medium voltage levels, typically from 1 kV to 35 kV (and in some applications up to 69 kV). MV motors are used for driving large industrial loads where high power output, efficiency, and reliability are required. Common applications include: ·Pumps ·Fans ·Compressors ·Conveyors ·Crushers ·Mill...
A Medium Voltage Fault Current Limiter (MV Fault Current Limiter / UFCL) is a protection device designed to rapidly reduce excessive short-circuit currents in medium-voltage electrical networks. It limits fault current magnitude within the first few milliseconds after a fault occurs, helping protect switchgear, transformers, cables, generators, and distribution equipment...
An AAAC (All Aluminum Alloy Conductor) is an overhead electrical conductor made entirely from aluminum alloy strands. It is mainly used for medium-voltage and high-voltage overhead distribution and transmission lines where high strength, corrosion resistance, and reduced weight are required. AAAC was developed as an alternative to AAC (All Aluminum Conductor) and ACSR (...
A Medium Voltage Cable (MV Cable) is a power cable designed to transmit and distribute electrical energy at medium voltage levels, typically from 1 kV up to 35 kV (sometimes up to 69 kV depending on regional classification). MV cables are widely used in distribution networks, industrial facilities, renewable energy plants, substations, and utility power systems. MV cabl...
A Unit Substation is an integrated electrical power distribution assembly consisting of a medium-voltage (MV) switchgear section, transformer, and low-voltage (LV) switchgear section installed as a coordinated package. It is designed to step down utility or plant medium voltage to low-voltage power for industrial, commercial, and infrastructure loads. Unit substations p...
A Skid-Mounted Substation is a factory-assembled modular electrical substation installed on a steel skid base frame for easy transportation, rapid installation, and simplified commissioning. It integrates major electrical equipment such as medium-voltage switchgear, transformers, low-voltage switchgear, protection systems, control panels, and auxiliary systems into a pre...
A Prefabricated Substation (E-House, Electrical House) is a factory-built modular electrical facility that integrates medium-voltage switchgear, low-voltage switchgear, transformers, protection systems, control systems, auxiliary power systems, and automation equipment into a pre-engineered enclosure. The complete unit is manufactured, wired, tested, and commissioned in ...
A 110/220V DC Power Supply System is an auxiliary power system used in power substations, industrial plants, power stations, and critical electrical facilities to provide reliable direct current (DC) power for protection, control, automation, communication, and emergency operations. The system converts AC auxiliary power into stable DC power through battery chargers and...
