Flooded substation - before and after Roxtec installation
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The images show a substation. The 'before' image shows the water ingress, the 'after' image shows the dry substation after Roxtec cable seals were installed.
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CABLE PENETRATION IN KGP SUBSTATIONS
The document discusses cable penetration through substation walls at KGP. It addresses cables in cable trays, cables from trays to multi-cable transit devices, and cables penetrating substation walls. Recommendations are provided to verify cable tray fill meets standards, support is sufficient, and consideration is given to future cable additions. Stress on cables entering transit devices should be prevented, and proper installation of multi-cable transit systems is required according to specifications and standards.
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The MCT Brattberg cable transit system is based on a simple idea consisting of two components - a frame and packing blocks. The cable duct or pipe seal is achieved when the packing blocks are pressed together around cables and pipes in a frame.
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* Design and features of each type of component make them easy to install.
* Product costs are reduced as no special tools are required to install transits.
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Grounding of Multi Cable Transits for on-shore use
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The document discusses cable penetration through substation walls at KGP. It addresses cables in cable trays, cables from trays to multi-cable transit devices, and cables penetrating substation walls. Recommendations are provided to verify cable tray fill meets standards, support is sufficient, and consideration is given to future cable additions. Stress on cables entering transit devices should be prevented, and proper installation of multi-cable transit systems is required according to specifications and standards.
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The MCT Brattberg cable transit system is based on a simple idea consisting of two components - a frame and packing blocks. The cable duct or pipe seal is achieved when the packing blocks are pressed together around cables and pipes in a frame.
The heart of the MCT Brattberg cable transit system is "Lycron" rubber material from which the insert blocks are made. It is extremely resistant to fire and pressure changes, the cable transits also withstand smoke, extreme temperature changes, vibration, damaging insects, chemicals and ageing.
MCT Brattberg - SR Cable Transit & Pipe Seals
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MCT Brattberg cable and pipe transits are designed and manufactured to provide maximum benefits.
Cable Transit System Concept
* The cable transit system contains frames, blocks, and insulation collars.
* Long-term reliability of all components.
* Cable and pipe transit system quick to install.
* Design and features of each type of component make them easy to install.
* Product costs are reduced as no special tools are required to install transits.
* Packing guides indicate location of insert blocks and cables within frames.
* Transit design planning software is available for engineers/designers.
Cable Transit Frames:
* Transit frames suit ship bulkheads and decks.
* Each corner is multiple-welded to satisfy the destruction test.
* Robotic welding is used to maintain consistent high-quality welds.
* Tight dimensional tolerances maintain functionality of insert blocks.
* The inner surfaces are smooth and free from residual weld spatter.
Grounding of Multi Cable Transits for on-shore use
This document summarizes research on properly grounding the frames of multi-cable transits (MCTs) used to transfer cabling between sealed compartments. MCTs provide electromagnetic shielding by connecting cable shields to a metallic frame. The study examines MCT applications in buildings where full metal bulkheads are not available for mounting frames. Test results show that grounding the frame is important for shielding performance. Directly grounding the frame via a conducting beam provided over 40dB of attenuation, while grounding with a 20cm wire significantly reduced attenuation to around 20dB. Proper grounding of MCT frames is critical for electromagnetic shielding in applications without full metal bulkheads.
SOLUCIONES DE PROTECCIÓN CONTRA PEM / EMI EN INFRAESTRUCTURAS CRÍTICAS.
Medios para proteger los equipos electrónicos en la infraestructura crítica contra el Pulso Electromagnético y
la Interferencia Electromagnética (PEM/EMI).
Contra Potenciales amenazas como son: los PEM naturales (como las tormentas solares y los rayos) y los PEM hechos por el hombre (HEMP, NEMP, RFW etc.)
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-Certified protection
-Bonding & Grounding solutions
-EMC solutions
Roxtec multi-hazard seals
The Roxtec cable and pipe sealing system provides certified protection against a range of hazards, such as:
- water ingress
- gas ingress
- pests / vermin / rodents
- noise
- fire
- electromagnetic interference
- lightning
- vibration
- explosions / blast
- dust / sand
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Pre-terminated cables can be sealed easily with the Roxtec cable sealing system, no need to cut the plugs off the ends of the cables! Helping to save time and money.
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Before Roxtec was fitted it was difficult to add new cables, they were untidy , rodents could get in, as could other hazards such as water, dust etc.
After the Roxtec cable sealing system was installed it is much tidier, easy to add new cables as spare capacity is included, stops rodent infestation, stops water ingress and other hazards - and is certified.
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3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
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