----Basic structure of CT Current Transformer
1.Introduction: The current transformer is a measuring instrument that converts the large current of the primary side into the small current of the secondary side according to the principle of electromagnetic induction. The current transformer consists of a closed core and winding. It has a small number of turns in the primary side winding and is strung in the line where the current needs to be measured.
2.Function: The primary current with a larger value can be converted into a secondary current with a smaller value through a certain ratio, which is used for protection, measurement and other purposes. For example, a current transformer with a ratio of 400/5 can convert the actual 400A current into 5A current.
----Model:
1.First letter: L - Current transformer
2.Second letter: A - through the wall; Z-pillar type; M - bus type; D - single turn through type; V - inverted structure; J-zero sequence Ground detection; W - anti-fouling; R - winding exposed type
3.Third letter: Z - epoxy resin pouring type; C - porcelain insulation; Q - gas insulating medium; W - Special with microcomputer protection
4.Fourth letter: B - with protection level; C - Differential protection; D - D class; Q - Enhanced type; J - Enhanced ZG
5.Fifth digit: Product number of voltage level
----Type by use:
1. Measuring current transformers (or measuring windings of current transformers) : within the normal working current range, provide current information of the power grid to measuring and metering devices.
2. Protection current transformer (or protection winding of current transformer) : in the state of power grid fault, to provide relay protection and other devices with power grid fault current information.
----After-sales service:
Provide comprehensive pre-sales consulting and program design services.
Provide free repair or replacement service for faults caused by product quality problems during the product warranty period.
Provide lifelong technical support and after-sales service to ensure that customers have no worries.
Safe, efficient, environmentally friendly and energy-saving power solutions
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Shine specializes in providing consulting, sales, and service for electrical products. We are committed to providing customers with comprehensive electrical solutions to meet the power needs of different industries and fields.
Our products cover electrical products such as transformers, ring main units, combiner boxes, inverters, and PCS. These products are widely used in the power system, industrial and mining enterprises, new energy, and other fields. We also have a sufficient inventory of spare parts and components to ensure that customers can receive prompt supplies when needed.
We have a professional technical team with deep knowledge and practical experience in the power industry, who can provide professional technical consultation and after-sales service to customers. Our service team always takes customer needs as the guide, actively responds to customer needs, and ensures customer satisfaction.
1. Who we are?
We specialize in providing consulting, sales, and service for electrical products. We are committed to providing customers with comprehensive electrical solutions to meet the power needs of different industries and fields.
2.How can we guarantee quality?
We have comprehensive pre-sales and after-sales services. When we receive an order, we have standard procedure to provide client with a production and processing schedule within 3-4 days, including part names, delivery time, total assembly time, and testing plan.
3.What can you buy from us?
110kV-220kV Oil-immersed Power Transformer, Dry-type Transformer, Unpacked H Grade Dry Transformer, Oil-immersed Distribution Transformer, Pad-mounted Transformer, etc., and various spare parts.
4.Why should you buy from us?
As an enterprise specializing in power productions, we not only provide products, but also technical solutions as your need. We continuously focus on participating in and developing the construction of smart grids, striving to become excellent experts in solving power system problems with reliable quality, strict management, and efficient services. What's more, we have got many certificates like ISO-9000.
5.What services can we provide?
Power technical solutions, electric productions and spare parts, and E-learning class about the productions.
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