JPH0428716U - - Google Patents

Description

[Brief explanation of the drawing]

Figures 1 to 5 show the configuration of the main parts of an embodiment of the present invention, and Figure 1 is a longitudinal sectional view of the main parts;
FIG. 2 is a top view of FIG. 1, FIGS. 3A to 3E are perspective views showing parts used in the same embodiment, and FIGS. 4 and 5 show the power supply side and load side of the same embodiment, respectively. A vertical sectional view and a top view showing the configuration when replaced, FIG. 6 is a single line diagram showing an example of the configuration of a switchgear to which the present invention can be applied, and FIG. 7 is a MOF
8 is a front view showing an example of the external appearance of a conventional switchgear that realizes the configuration of FIG. 6, FIG. 9 is a top view of the MOF part of FIG. 8,
FIG. 10 is a top view showing the configuration of the MOF connecting conductor in the conventional example when the power supply side and the load side are switched. E1...Power side element, E2...Load side element, BS1, BS2...Butching terminal,
MOF...Power supply and demand instrument transformer, K...Voltage and current detection terminal, L...Current detection terminal, tv...
...Voltage detection terminal, 10...Inner conductor, 11...
Outer conductor, 11a, 11b...Conductor connection portion, 12
... Plate conductor, 14 ... Terminal fitting for inner conductor, 1
5... Bolt, 18... Terminal fitting for outer conductor.

Amendment July 24, 2002 The scope of claims for utility model registration is amended as follows.

[Claims for Utility Model Registration] A power supply side element consisting of components of a switching circuit connected to a line housed in a sealed container, and components of a switching circuit connected to the primary side of a transformer. A load-side element housed in a sealed container, and two phases at both ends (U, W phase) of the three phases U, V, and W.
voltage and current detection terminals K and current for each phase, respectively.
A power supply and demand instrument transformer having a detection terminal L, a voltage detection terminal for the middle phase on the middle phase (V phase), and arranged between the power supply side element and the load side element. In a sealed switchgear in which the power supply side element and the electric power supply and demand instrument transformer and the electric power supply and demand instrument transformer and the load side element are connected by connecting conductors, An inner conductor and an outer conductor are provided for each of the two phases at both ends of the electric power supply and demand instrument transformer, and one end of either the inner conductor or the outer conductor is arranged at the One end of the outer conductor is connected to the voltage/ current detection terminal K, and the other end is connected to the current detection terminal L, and a pair of conductor connection portions are provided at an angular interval of 180 degrees on the other end side of the outer conductor. A terminal fitting for an outer conductor is removably connected to one of the conductor connection parts of the inner conductor, and a terminal fitting for an inner conductor is connected to the other end of the inner conductor, which is rotatable about a central axis of the inner conductor. A closed type switchgear characterized by: The brief description of the drawing has been amended as follows. "K..." on page 18, lines 18 to 20 of the specification
"For voltage/current detection ~ tv...voltage detection terminal," is corrected as follows. "K...voltage/current detection terminal, L...current detection terminal, tv...voltage detection terminal,
”.

Claims (1)

[Claims for Utility Model Registration] A power supply side element consisting of components of a switching circuit connected to a line housed in a sealed container, and components of a switching circuit connected to the primary side of a transformer. A load-side element housed in a sealed container, and two phases at both ends (U, W phase) of the three phases U, V, and W.
each has a voltage/current detection terminal K and a voltage detection terminal L for each phase, and the middle phase (V phase) has a voltage detection terminal for the middle phase, and the power supply side element and the load side element and an electric power supply and demand instrument transformer disposed between the power source side element and the electric power supply and demand instrument transformer, and a connection between the power supply side element and the electric power supply and demand instrument transformer and between the electric power supply and demand instrument transformer and the load side element. In a sealed switchgear connected by a conductor, an inner conductor and an outer conductor arranged concentrically are provided for each of two phases at both ends of the power supply/demand instrument transformer, and the inner One end of either the conductor or the outer conductor is connected to the voltage/current detection terminal K, and the other end is connected to the voltage detection terminal L, and the other end of the outer conductor is connected at an angular interval of 180 degrees. A pair of conductor connection portions are provided with openings, an outer conductor terminal fitting is removably connected to one of the pair of conductor connection portions, and a terminal fitting for the outer conductor is detachably connected to the other end of the inner conductor. A closed type switchgear characterized by being connected to a terminal fitting for an inner conductor that can rotate around the center.