Transformer Protection Materials & Composite Insulators
15kv Chain Type Composite Insulator
• Creepage distance: 525mm
• Phase to phase length: 260mm
• Dray arcing distance: 280mm
• Lighting impulse withstand voltage: 125KVA
• Creepage distance: 1080mm
• Phase to phase length: 466mm
• Dray arcing distance: 480mm
• Lighting impulse withstand voltage: 250KVA
33kv Chain Type Composite Insulator
Fuse Link/Element
• System operation voltage: 15 /33KV
• Max design voltage: 17.5/36KV
• Rated Max. Breaking capacity at rated voltage (symmetrical): 8KA
• Overall length of fuse link: 787/987mm
• Fusing element material: Copper
Enameled Copper Wire
Ø 0.35mm, 0.5mm, 0.65mm, 0.7mm, 1.00mm,
1.25mm, 1.5mm, 1.8mm, 2.00mm, Impurity =99%
copper class = Gr2, temperature =200 °C
LV Bushing
Rated current=250A, 630A, 1000A, power frequency
withstand voltage/kV(rms)=50kv, Clearance across
insulator=80mm, Specification of creepage distance
IEC 60815-2
HV Bushing
Rated current=250A,power frequency withstand volt
age/kV(rms)=95kv,rated lighting impulse withstand volt
age/kV(peak)=250,clearance across insulator>280m
m,specification of creepage distance IEC 60815-2
Tap Changer
Length=535-570mm, voltage>=10KV, current>=63A,
space height=75mm
Insulation Paper
Thi=4mm, ID=4mm, 6mm, 8mm, length=1mm, temperature=200 °C
Insulation Board
2mm, 4mm, 6mm
Crop Tube
2mm,4mm,6mm,8mm,10mm
Craft type
Creep Paper
25mm*100mm
Craft type
Cork Gasket
80*10mm, 60*10mm, 60*5mm, 5000*50*4mm,
5000*50*6mm, 5000*50*8mm
Transformer, Compact Distribution Substation & Spare parts
Ordinary
Distribution
Transformer
• 25kva,15/0.4kv-1250kva ,15/0.4kv
• 25kva,33/0.4kv-1250kva ,33/0.4kv
• %Z=4%
• No load loss =90w_1000w
• Load loss =570w-11000w
• % no load current<1.5
• 25kva,15/0.4kv-1250kva ,15/0.4kv
• 25kva,33/0.4kv-1250kva ,33/0.4kv
• %Z=4%
• No load loss =90w_1000w
• Load loss =570w-11000w
• % no load current<1.5
• VCB Hv switch gear
• Different Rating of Lv switch gear
• Sf6
Compact Distribution Sub Station Transformer
Power Cable
• Standard applied: IEC61089 or equivalent standard
• Purpose: Electric power transmission for LV, MV and HV
• Insulation type: XLPE for LV and MV
• Conductor type: copper core for LV and MV, and Aluminium
core for HV overhead transmissions
• Number of cores: 1 core, 2 core, 3 core, 4 core, 5 core and 6 core
with neutral and earth lines
• Main bus bar rating: 25KA
• Bus bar insulation: 24KV
• Bus bar material: copper
• Insulation medium: SF6
Bus-Bar
Switch Gear
• Low voltage switch gear: up to 1KV
• Medium voltage: 1 to 75KV
• High voltage : greater than 75KV
Pressure Relief
Floating Type
L=400mm-600mm
Press type
Gate Valve
1 inch, 3/4 inch
Brass type
Voltage Transformer
10, 15, 25, 30, 50, 75, 100, 150, 200, 300, 400, 500 VA.
Transformer Distribution and Hardware Materials
Distribution Box
• Standard: IEC61439 or equivalent
• Ingress Protection: IP54
• Rated operational current of circuits: 100A for 50kVA,160A for 100kVA,300A for
200kVA,500A for 315Kva, 630A for 400kVA
• Rated Short time withstand current: 10KA
• Power frequency withstand voltage: 3KV
• Mechanical endurance: As per IEC 60947 and equivalent standards
• Pillar box dimension 1400 X 1200 X 415 mm
• 6-way (2 I/C + 4 O/G) 1400 X 1400 X 415 mm
• 8-way (2 I/C + 6 O/G) 1400 X 1200 X 415 mm
Distribution Pillar
Cross-arm
• Standard applied: BS4360, EN10025-3 or equivalent
• Grade of steel: 42A
• Tensile strength: 430-580 N/mm2
• Yield strength : >275N/mm2
• Galvanization: hot deep galvanized
• Material: high strength copper alloy,
• Bolt and nut: M10X40
• Rated short circuit withstand current: 25KA
• Duration of short circuit: 3 Sec
Earthing Rode
HRC Fuse
• 63A/80A/100A/125A 160A/ 200A/ 250A/ 300A/315A/ 350A/ 400A/800A
• Latest amd. of IEC Standard IEC 269-1 and VDE 043/620
• 500V at 50Hz
• As per IEC 60947
• Protection Class: IP23
• Ambient temperature: (-5 °C to +50 °C)
• Lightening Impulse withstand voltage: 6KV
• Rated Voltage: 0.4KV
• Rated operational current: 400A
Fuse Base
Electro- Mechanical Works
Street light Supply & Installation
Illuminate communities with our expertly supplied and installed street lighting solutions, enhancing safety and visibility after dark.
High Mast Supply and Installation
Providing towering high mast lighting solutions for large areas, ensuring optimal illumination and security.
Power Distribution
Efficiently distribute electrical power across your infrastructure, ensuring reliable and consistent energy flow.
Machine Erection & Installation
Specializing in the precision erection and installation of machinery, ensuring smooth operations and maximum productivity.
Earthing Work
Implementing effective earthing systems to safeguard against electrical faults, ensuring safety and system integrity.
Lighting Work
Illuminate factories and warehouses with tailored lighting solutions for optimal productivity and safety.
Years of Experience
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Regions in Ethiopia
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Frequently Asked Questions
Here are FAQs about Wagwago Electric, its extensive work, and services in Ethiopia.
Wagwago Electric provides a comprehensive range of electrical solutions, including transformer manufacturing, power distribution, machinery installation, and renewable energy systems.
Wagwago Electric plays a vital role in Ethiopia's development by supplying essential electrical equipment, fostering infrastructure growth, and creating employment opportunities through its manufacturing and service operations.
Wagwago Electric distinguishes itself through its commitment to excellence, innovative solutions, and dedication to customer satisfaction, backed by years of industry experience and technical expertise.
Wagwago Electric maintains rigorous quality control measures throughout its manufacturing process, adhering to international standards and implementing thorough testing procedures to ensure the reliability and performance of its products.
Yes, Wagwago Electric offers comprehensive after-sales support, including maintenance services, technical assistance, and prompt response to customer inquiries and concerns, ensuring continued satisfaction and optimal performance of its products.
Wagwago Electric is committed to corporate social responsibility and actively engages in community development projects, educational initiatives, and environmental sustainability efforts to make a positive impact beyond its business operations.
For inquiries, partnership opportunities, or any other assistance, you can reach Wagwago Electric through our website contact form, email, or phone number provided on our official channels.