ZH_CN
Shaanxi Lanhe Electronic Engineering Co., Ltd.
Shaanxi Lanhe Electrical Engineering Co., Ltd. was officially established in Xi'an in 2004. As a high-tech enterprise deeply engaged in the field of medium-voltage equipment, it has always adhered to the development concept of "people-oriented and technology-driven", deeply integrated the rich scientific and technological and talent resources of Xi'an, continuously made high investments in technological innovation, closely followed the international forefront of power technology, and strived to create high-tech products with independent intellectual property rights.
The company's core products are rich and diverse, covering the DDX1 series short-circuit current limiter (including the DGXK2 series high-capacity high-speed current-limiting switch device), the LH100 intelligent comprehensive dehumidification system, the LH200 inte...
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10kV Short Circuit Current Limiter
Microburst type current limiterDDX1 short-circuit current limiter (abbreviated as current limiter) is an ultra-high-speed switch with strong short-circuit current breaking ability. The short-circuit fault can be completely cut off within 10ms after the short-circuit fault occurs and be... -
35kV Short Circuit Current Limiter
Microburst type current limiterDDX1 short-circuit current limiter is an ultra-high-speed switch with strong short-circuit current breaking ability. The short-circuit fault can be completely cut off within 10ms after the short-circuit fault occurs and before the peak value of the pre-ex... -
DGXK2 Large-capacity High-speed Switching Device
Microburst type current limiterWhat is DGXK2? DGXK2=DDX1+ Switch Cabinet with Different ConfigurationsThe main electrical wiring scheme is as followsThere are three following configurations:（1）DDX1 separate cabinet（2）DDX1+ fixed or handcart disconnector（3）DDX1+ Fixed or Hand... -
DC Short Circuit Current Limiter
Microburst type current limiterThe quick action mode and switching-off principle of the DC short-circuit current limiter is the same. It would be switched off before the instantaneous current of short-circuit current gets to the expected current limiting value. The actual maximum insta... -
DGK Large Capacity High Speed Current Limiting Breaker
Microburst type current limiter（1）DGK is mainly used in small current systems with rated current＜630A, and rated breaking current ≤200kA.（2）DGK can limit the current and cut off the short-circuit current within 10ms, so that the current actually appearing in the fault circuit is o... -
Is-Lock Fault current identification module
Microburst type current limiterThe DDX1 short-circuit current limiter based on micro-explosion technology (referred to as DDX1 current limiter) uses micro-explosion technology to quickly cut the main conductive circuit (the micro-explosion device is controlled by a special electronic c...
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LH300 Integrated Protection Device of Arc Light
Arc monitoring and protection productsLH300 integrated protection device of arc Light is specially designed according to the bus protection characteristics of medium and low voltage systems. The main control unit of the system takes the 32-bit high-end DSP chip as the core. In the aspect of f... -
ARCTRANS-100A arc conversion and protection
Arc monitoring and protection productsARCTRANS-100A uses the pre-circuit to convert and amplify the signals of four arc sensors, and the signal conversion adopts the special ARCEYE-100C dual-sensor integrated photoelectric device, which can linearly convert the incident signal from 0 to 0~50k... -
ARCEYE-100 series arc light sensor
Arc monitoring and protection productsProduct Overview of ARCEYE-100 Series Arc Flash Sensors:The ARCEYE-100 series comprises passive sensors, including visible light sensors and ultraviolet (UV) light sensors. The UV sensors specifically focus on the ultraviolet component of arc flashes, eff...
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Intelligent integrated dehumidification system in LH100 substation
Power environmental treatment products (anti-condensation)Long-term high humidity operation in substation distribution room leads to moisture absorption of insulating parts, it even develop into an accident of switch cabinet because of the insulation degradation. Now it has become a major threaten to the sa... -
LH104 cabinet intelligent dehumidifier
Power environmental treatment products (anti-condensation)LH104 is a new-type intelligent dehumidification device specially developed by our company to address the condensation phenomenon in electrical cabinets. This dehumidification device innovatively employs a micro high-reliability compressor to reduce the a...
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Intelligent wireless temperature measuring system in LH200C substation
Online monitoring productsIntelligent wireless temperature measuring system in LH200 substation is a patented product of new generation intelligent wireless temperature measurement developed by lanhe company, which effectively overcomes the problem of accurate and reliable monitor... -
LH600 very early electric power environment gas intelligent monitoring device
Online monitoring productsThe LH600 Early-Stage Power Environment Gas Intelligent Monitoring Device is specially designed to real-time monitor the corresponding changes in gas status of electrical equipment in the early stage of catastrophic failures. Through wired or wireless dat... -
LH2402 Switchgear office intelligent monitoring unit
Online monitoring productsThe LH2402 Switchgear Partial Discharge Intelligent Monitoring Unit is suitable for gas-insulated switchgear with a voltage level of 40.5kV and below. It can real-time monitor basic partial discharge parameters such as discharge peak value, discharge aver... -
LH2408 switchgear office intelligent monitoring unit
Online monitoring productsThe LH2408 switchgear Partial Discharge Intelligent Monitoring Unit is suitable for gas-insulated switchgear with voltage levels of 40.5kV and below. It can real-time monitor basic partial discharge parameters such as discharge peak value, discharge avera... -
LH6200 switch cabinet status integrated measurement and control unit
Online monitoring productsThe LH6200 switchgear status comprehensive measurement and control unit is a highly optimized human-machine interface and data management platform. It can connect various basic sensors for monitoring, such as high voltage joint temperature rise monitoring...
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LH500 Transformer neutral point new complete protection device
Overvoltage protection productsLH500 Transformer neutral point new complete protection device is specially designed for 110kV and 220kV power transformer neutral points. The grounding switch, lightning arrester, rod gap and transformer into a complete set to meet the requirements... -
FZQ1 Lightning blocker
Overvoltage protection productsFZQ1 series distribution transformer composite lightning blocker is a patented product independently developed by Lanhe electric. it can effectively protect against steep wave overvoltage, reduce distribution transformer accidents, and effectively reduce...
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LH700 fault current fast identification and protection device
Fast breaking and fast protection productsThe LH700 fault current rapid identification and protection device for 40.5kV and below high-voltage distribution systems does not require the configuration of traditional current transformers, nor complex secondary wiring. It can identify the fault curre... -
LH800 special fast protection device
Fast breaking and fast protection productsWith the development of industry and the improvement of people's electricity usage, the capacity and density of power distribution have also increased significantly. The impact and losses caused by short-circuit faults in the power grid are becoming i... -
LH900 quick breaking kit
Fast breaking and fast protection productsConcept 1: Our country has fully entered the industrialization and informatization era from the agricultural age. In distribution networks, the temporary voltage drop or short-term interruption associated with grid short-circuit faults can have increasing... -
LH1000 new bus residual voltage protection device
Fast breaking and fast protection products
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LH2000 distribution station room number intelligent operation monitoring system
Remote operation supervision, remote inspection, intelligent operation and maintenance -
LH2000 distribution station room number intelligent operation monitoring system
Remote operation supervision, remote inspection, intelligent operation and maintenance
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