II. 100 KVA Transformer Type
For HENGFENGYOU ELECTRIC, a 100kva transformer can be a three-phase oil immersed transformer, epoxy resin dry-type transformer, overhead transformer, single-phase transformer, pad mounted transformer, isolation transformer, etc. These types of transformers have the same principle, but their structures are different, and different types of transformers have different applications. HENGFENGYOU ELECTRIC provides you with the most ideal solution.
100 KVA three-phase oil immersed transformer (rated voltage 6kV-35kV)
100 KVA epoxy resin dry-type transformer (rated voltage 6kV-35kV)
100 kVA single-phase transformer on the column (rated voltage 2.4kv-34.5kv)
100 kVA single-phase pad mounted transformer (rated voltage 2.4kv-34.5kv)
100 kVA three-phase pad mounted transformer (rated voltage 2.4kv-34.5kv)
III. The core advantages of a 100 kVA transformer
1. Standards: GB, IEC, GOST, EN, NF, ANSI/IEEE (customizable according to customer standards)
2. Certification: ISO、CE、IEC、SABS、COC、CSA、UL
3. Efficiency: The efficiency of a 100kva transformer is greater than 99%, which can meet the European 2015/2014/548/EC ecodesign Tier 2 energy efficiency regulations.
4. Maintenance free: IP65 protection level, dustproof and moisture-proof, maintenance free, designed for a lifespan of over 25 years.
5. Environmental protection and sustainable development: FR3 vegetable oil can be selected.
6. Overload capacity: Copper coil 100kva transformer allows short-term overload to 150% of rated capacity for no more than 2 hours, but requires monitoring of oil temperature (≤ 95 ℃).
IV. Price of 100 kVA Transformer
V. 100 KVA Transformer Case
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VI. Frequently Asked Questions (FAQ) for 100 KVA Transformers
What are the typical application scenarios of 100kVA three-phase oil immersed transformers?
*Power distribution for small and medium-sized factories;
*Electricity supply for commercial buildings, hospitals, or schools;
*Voltage conversion of rural power grids or community distribution systems;
*Power distribution at temporary construction sites.
What are the common configurations for its rated input/output voltage?
*High voltage side: 11kV (domestic distribution standard);
*Low voltage side: 400V (three-phase four wire system, line voltage 400V/phase voltage 230V);
How to calculate its rated current?
*High voltage side: I=100kva/11kV/√3=5.24A
*Low voltage side: I=100kva/0.4kV/√3=144.3A
What are the requirements for the surrounding environment during installation?
*Good ventilation, keep away from flammable and explosive materials;
*The basic platform needs to be level and load-bearing (with an oil content of about 200kg);
*Reserved heat dissipation space (with a side distance of ≥ 0.8 meters from the wall and no obstruction at the top);
*Outdoor installation requires the installation of rain covers or fences.
What is the overload capacity of a 100kVA transformer?
*Short term overload (such as within 2 hours) can reach 150% load (copper coil);
*Long term overload will accelerate insulation aging, and it is necessary to avoid operating beyond the rated capacity.
What are the key points to pay attention to in daily maintenance?
*Oil level check: The oil gauge of the oil pillow should be within the marked range;
*Oil temperature monitoring: During normal operation, the top oil temperature is ≤ 65 ° C;
*Leakage inspection: Check for oil leakage in the fuel tank welds and gaskets;
*Regular tests: insulation oil withstand voltage test, winding DC resistance measurement (once a year).
How to determine whether insulation oil needs to be replaced?
*Breakdown voltage: below 30kV (new oil standard ≥ 35kV);
*Excessive acid value:> 0.1mg KOH/g；
*High moisture content:> 20ppm；
*Oil color dark black or with carbide particles (needs to be filtered or oil changed).
*Reason: Overload, blocked radiator, oil circulation failure, internal winding short circuit;
*Solution: Immediately reduce the load and check the load; Clean the heat sink or repair the cooling system; Suspend maintenance for internal faults.
What protective devices must be configured?
*High voltage side: drop out fuse or circuit breaker (overcurrent protection);
*Low voltage side: air switch (short circuit protection);
*Body protection: gas relay, pressure relief valve, thermometer;
*System protection: lightning arrester (lightning protection), grounding device (grounding resistance ≤ 4 Ω).
10. How to choose energy efficiency level when purchasing?
*Standard: According to local national energy efficiency regulations or customer requirements
*Example: 100kVA oil immersed transformer with the latest energy efficiency in Europe has a no-load loss of 130W and a load loss of 1250W; Energy efficiency>99.19%
