Current transformer with voltage measurement unit

Abstract

This invention relates to a current transformer with an integrated voltage measurement unit, consisting of: The frame (1) is in the form of a cylindrical ring with electrical insulation properties, installed in the following manner: Wrap the surrounding surface of the low voltage conductor core (2) of the distribution transformer through the fasteners (3) that have It resembles a female threaded nut and its shape is consistent with the surrounding surface of the low-voltage conductor. (2) There are three power connection points where one end of the wire is inside the material of the frame (1). Where point one (S.) and point two (S.) are connected to the ends of the secondary coil. The winding of the current transformer (CT) and the third point (V) are connected by wires to the measuring unit. A certain amount of electromotive force, where 1 set of electromotive force measurement equipment consists of conductors (4) It supports forces acting in a circumferential direction to function as a contact device that receives compressive forces and is joined together. with low voltage conductor core (2) or attached to the stretcher (3) of the distribution transformer at all times. Choose from coil springs, wire springs, or leaf springs, which are made from select spring materials such as stainless steel. Stainless steel, plated iron, copper, or brass.

Claims

OCR 09WP 26 / 11 / 2568 1. Current transformer with voltage measurement set, which consists of a frame (1) with the following characteristics: A cylindrical ring formed from an electrically insulating material is installed in a way that wraps around the surface. Around the low voltage conductor core (2) of the distribution transformer. Securely fastened via fasteners (3) which are in the form of a female threaded nut and have a shape that conforms to the surface. Around the low voltage conductor core (2) of the distribution transformer. It has a unique feature of having three power connection points located on the sides of the frame (1). It consists of point one (S1), point two (S2), and point three (V), where one end of the wire is inside the material. The material of the frame (1), where the first point (S1) and the second point (S2) are connected to the ends of the secondary coil. The secondary winding of the current transformer (CT) and the third point (V) are connected by wires to the measuring unit. A certain electromotive force, where 1 set of electromotive force measurement equipment consists of a conductor (4) embedded. Inside the material of the frame (1), where the electromotive force measuring device (5) is installed on the conductor (4), where the device Electromotive force measurement (5) is in the form of a bendable spring that supports the force acting in the circumference to perform the function It is a device with a contact point that receives pressure and is attached to a low-voltage conductor (2) or attached to The (3) mounting bracket of the distribution transformer at all times 2. Current transformer with voltage measurement unit, pursuant to claim 1, where the measuring device... The electromotive force (5) can be selected from a coil spring, wire spring, or sheet spring, which has a direct contact plane with The contact surface of the low voltage conductor core (2) or attached to the mounting bracket (3) of the distribution transformer. Without any gaps between them, ensuring stability throughout use without the need for electrical connections. Low voltage terminal of a distribution transformer.

3. Current transformer with voltage measurement unit, pursuant to claim 1, where the measuring device... Electromotive force (5) is made from spring material, which can be selected from stainless steel, plated steel. Iron, copper, or brass.

4. A current transformer with a voltage measurement unit, pursuant to either claim 1 or 2, where The electromotive force measuring device (5) is in the form of a coiled spring (6) with perpendicular contacts mounted inside. The hollow conductor (7) in which the coiled spring (6) acts to press the contact point (8) which has a perpendicular contact surface attached. In close contact with the low voltage conductor core (2) of the distribution transformer at all times, with the measuring set The electromotive force from a coiled spring (6) with perpendicular contacts is installed inside the material of the frame (1). At the inner surface of the frame (1), arranged in a manner perpendicular to the low voltage conductor axis (2) of Distribution transformer with wires connecting the hollow conductor (7) to the third wire connection point (V).

5. A current transformer with a voltage measurement unit, pursuant to either claim 1 or 2, where The electromotive force measuring device (5) is in the form of a coiled spring (6) with parallel contacts, installed inside a conductor. Hollow (7) where the coiled spring (6) acts to press the contact point (9) so that the contact surface is parallel and tightly attached to The mounting bracket (3) of the distribution transformer is kept firmly in place at all times, with the contacts of the mounting bracket (3) at The area above and below the contact point (9), where the electromotive force measurement set from the coiled spring (6) has contacts. Parallel lines are installed within the material of the frame (1) on the inner surface of the frame (1) in a continuous arrangement. in parallel with the low voltage conductor (2) of the distribution transformer, with a connecting wire between Hollow conductor (7) with third wire connection point (V) 6. A current transformer with a voltage measurement unit, pursuant to either claim 1 or 2, where The electromotive force measuring device (5) is in the form of a leaf spring (10) installed inside the material of the housing (1). At the inner surface of the frame (1) in the low axial direction (2) of the distribution transformer. There is a contact plane whose shape conforms to the contact surface with the low voltage conductor core (2) of the system transformer. Sold in a tight and secure fit at all times, with a wire connecting the spring plate (10) and Third wiring connection point (V)

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