Our experienced international trade team is dedicated to providing customers worldwide with high-quality transformers and power transmission products that meet international standards.
With a presence in over 20 countries and regions, Apex Electrics is proud to serve a diverse range of global partners.
Reliable Logistics
Our founder also operates an international logistics company, enabling us to handle CIF terms efficiently and ensure smooth, reliable delivery worldwide.
Short Lead Time
Customer satisfaction is our top priority. For urgent orders, we can shorten the production cycle to meet your delivery requirements.
Low Noise Containerized Substation For Urban Edge Projects
Plug-and-play containerized substation with fast installation and put into operation. Effectively solve power shortage and grid upgrading demands of expanded industrial zones.
Frequently Asked Questions (FAQ)
Q:What are the handling methods for oil leakage in the high-voltage bushing of a transformer?
A:Minor leakage: Tighten the flange bolts of the casing and replace the sealing gasket; Severe leakage: Replace the casing after power outage; If the insulation inside the casing gets damp, conduct an insulation test and replace the casing if necessary.
Q:What are the reasons for excessive noise when the transformer is operating? How can the noise be reduced?
A:Reasons: Loosening of core, deformation of windings, resonance of components, failure of cooling system, influence of grid harmonics. Measures: Tighten the core clamps; Correct the position of windings; Adjust the shock absorption devices of cooling fans / oil pumps; Install soundproof covers; Address grid harmonics.
Q:What issues should be noted when connecting the transformer to the distribution cabinet?
A:Use copper busbars or cables for connection, with the conductor cross-section meeting the current-carrying requirements; the connection points need to be treated with tin plating or silver plating to reduce contact resistance; install lightning arresters and disconnect switches on the high-voltage side to facilitate maintenance; add insulating covers for the busbars on the low-voltage side and mark the phase sequence; after connection, check the insulation and phase sequence to ensure there are no errors.
Q:Why are dry-type transformers preferred for power distribution in high-rise buildings?
A:Dry-type transformers are oil-free and do not have the risks of oil leakage or explosion. They have high fire safety. The volume is relatively small, making them easy to install in the distribution rooms of buildings. The maintenance is simple and they meet the fire protection and space requirements of high-rise buildings.