CN202422937U

CN202422937U - Magnetically controlled reactor with single-phase double-column right-angled circular iron cores

Info

Publication number: CN202422937U
Application number: CN 201120514224
Authority: CN
Inventors: 张立明; 蒋元华
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-12-01
Filing date: 2011-12-01
Publication date: 2012-09-05
Anticipated expiration: 2021-12-01

Abstract

The utility model discloses a magnetically controlled reactor with single-phase double-column right-angled circular iron cores, which is characterized in that iron cores are single-phase iron cores, and each iron core has two core columns; each reactor is composed of three sets of single-phase double-column iron cores; the core columns of a main iron core and upper and lower iron yokes are connected into a whole; and joints of the core columns of the main iron core and the upper and lower iron yokes are direct joints, the core columns of the main iron core are steplike multistep sections, and the sections are circular. Due to the unique iron core structure above, silicon controlled rectifiers connected to a coil of the magnetically controlled reactor with single-phase double-column right-angled circular iron cores are respectively triggered and conducted in a cycle of power voltage, therefore, a circulating loop is provided for a control flux through the upper and lower iron yokes, so that the core columns of the main iron core are magnetically saturated; and through adjusting the conduction angles of the silicon controlled rectifiers, a direct-current controlled current and a corresponding magnetic saturation of the iron core can be changed, so that the capacity of the reactor can be continuously adjusted. Due to the structure above, the reactor can be directly controlled without providing a direct-current power supply, therefore, the reactor is easy to operate, simpe in equipment, and obvious in economic benefits.

Description

The circular magnet controlled reactor unshakable in one's determination in single-phase twin columns right angle

Technical field

The utility model relates to power equipment in a kind of electrical network, is specifically related to a kind of reactor.

Background technology

Reactor is the electric equipment commonly used that carries out reactive power compensation in the operation of power networks.Mostly the reactor that uses at present is that capacity is non-adjustable, can not be along with the idle variation of system the change capacity.And magnet controlled reactor can smoothly be regulated the reactor capacity continuously through the size of control thyristor operating angle, to reach best compensation effect.Usually magnet controlled reactor need use external dc power supply to control the reactor pondage by controllable silicon, makes its magnet controlled reactor structure complicated, and safety and reliability reduce.

The utility model content

The utility model proposes a kind of self coupling DC excitation to the defective that existing reactor exists, the magnet controlled reactor that adjusted is convenient, simple in structure.

Technical scheme

The utility model solves the technical scheme that its technical problem adopted: the circular magnet controlled reactor unshakable in one's determination in a kind of single-phase twin columns right angle is characterized in that: the single-phase iron core of employing unshakable in one's determination, each iron core has two stems.Every reactor is made up of three groups of single-phase twin columns iron cores.Main core stem and last lower yoke link into an integrated entity.Main core stem and iron yoke heart seam up and down be direct seam, and the main core stem is stepped multistage cross section, and the cross section is a circle.Be with two windings on each stem of main core, two winding interconnections arranged side by side, the centre tap of winding connects the controllable silicon trigger board, and trigger board is isolated through photoelectricity and is connected with controller.

The beneficial effect of the utility model

Because this unique core construction; Make the controllable silicon that connects on the coil of the circular magnet controlled reactor unshakable in one's determination in single-phase twin columns right angle triggering and conducting respectively in the one-period of supply voltage; Thereby for the control magnetic flux provides flow cycle, make the magnetic saturation of work main core post through last lower yoke.Through regulating thyristor operating angle, can change the size and the corresponding magnetic saturation unshakable in one's determination of DC control electric current, thereby make that the capacity of reactor can be adjustable continuously.This structure need not provide DC power supply just can directly regulate reactor, and is easy to operate, and equipment is oversimplified, and economic benefit is more remarkable.

Description of drawings:

Below in conjunction with accompanying drawing and execution mode the utility model is further specified.

Fig. 1 is the utility model structural representation.

Fig. 2 is 1 vertical view.

Fig. 3 is the A-A view of Fig. 1.

Embodiment

The structure of accompanying drawings the utility model: the circular magnet controlled reactor unshakable in one's determination in a kind of single-phase twin columns right angle, its iron core of electric reactor structure is single-phase twin columns structure, and is as shown in Figure 1.Main core 1 adopts two core limbs, links into an integrated entity with the

horizontal yoke heart

2,3 up and down.Main core 1 is directly to stitch with upper yoke unshakable in one's determination 2 and lower yoke 3 seams unshakable in one's determination.Six coils of reactor are enclosed within respectively on three groups of single-phase twin columns stems unshakable in one's determination, press usual manner and connect controllable silicon and diode through outside lead, constitute control circuit.

The unshakable in one's determination arrangement of the single-phase twin columns of employing unshakable in one's determination, the main core stem is multistage stepped, the cross section is circular, as shown in Figure 3.The iron yoke heart is a circular cross-section up and down.The cross section of last lower yoke is bigger than the cross section of stem unshakable in one's determination, satisfies the normal magnetic circuit that exchanges on the one hand, satisfies the DC loop of control on the other hand, and the iron yoke heart is unsaturated up and down so that make.

Claims

1. the circular magnet controlled reactor unshakable in one's determination in a single-phase twin columns right angle is characterized in that: unshakable in one's determinationly adopt single-phase iron core, each iron core has two stems; Every reactor is by three groups of single-phase twin columns unshakable in one's determination compositions, and main core stem and last lower yoke link into an integrated entity, and the main core stem is direct the seam with iron yoke heart seam up and down; The main core stem is stepped multistage cross section; The cross section is circular, is with two windings on each stem of main core, two winding interconnections arranged side by side; The centre tap of winding connects the controllable silicon trigger board, and trigger board is isolated through photoelectricity and is connected with controller.