Bus brace comb assembly
First Claim
1. A bus brace comb assembly for use in a switchgear assembly, the switchgear assembly having a channel bus bar for conveying electrical current in each phase, to hold the bus bar in place against magnetic forces associated with short-circuit currents in the switchgear bus bar, the bus brace comb assembly comprising:
- a front comb assembly including a first bus clip configured to position the bus bar and a front brace coupled to the bus clip; and
a rear comb assembly including an interlock clamp configured to engage the channel bus bar and second bus clip secured to the interlock clamp with a fastener and a rear brace coupled to the interlock clamp/bus clip assembly, wherein a flange of the channel bus bar is pinched between the rear brace and the interlock clamp/bus clip assembly to secure the channel bus bar.
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Accused Products
Abstract
A bus brace comb assembly for use in a switchgear assembly. The switchgear assembly has a channel bus bar for conveying electrical current in each phase of the switchgear assembly. The bus brace comb assembly holds the bus bar in place against magnetic forces associated with short-circuit currents in the switchgear bus bar. The bus brace comb assembly comprises a front comb assembly including a first bus clip configured to position the bus bar and a front brace coupled to the bus clip. A rear comb assembly including an interlock clamp configured to engage the channel bus bar and a second bus clip secured to the interlock clamp with a fastener and a rear brace coupled to the interlock clamp/bus clip assembly. A flange of the channel bus bar is pinched in the interlock clamp/bus clip assembly to secure channel bus bar in the switchgear assembly.
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Citations
18 Claims
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1. A bus brace comb assembly for use in a switchgear assembly, the switchgear assembly having a channel bus bar for conveying electrical current in each phase, to hold the bus bar in place against magnetic forces associated with short-circuit currents in the switchgear bus bar, the bus brace comb assembly comprising:
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a front comb assembly including a first bus clip configured to position the bus bar and a front brace coupled to the bus clip; and
a rear comb assembly including an interlock clamp configured to engage the channel bus bar and second bus clip secured to the interlock clamp with a fastener and a rear brace coupled to the interlock clamp/bus clip assembly, wherein a flange of the channel bus bar is pinched between the rear brace and the interlock clamp/bus clip assembly to secure the channel bus bar. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A switchgear assembly including a channel bus bar for each electric power phase and for conveying electric current, with the channel bus bar maintained in position by a bus brace comb assembly and braced against magnetic forces associated with short-circuit currents in the switchgear bus bar by the bus brace comb, the bus brace comb assembly comprising:
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a front comb assembly including a first bus clip configured to position the bus bar and a front brace coupled to the bus clip; and
a rear comb assembly including an interlock clamp configured to engage the channel bus bar and second bus clip secured to the interlock clamp with a fastener and a rear brace coupled to the interlock clamp/bus clip assembly, wherein a flange of the channel bus bar is pinched between the rear brace and the interlock clamp/bus clip assembly to secure the channel bus bar. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method of securing and positioning channel bus bars in each power phase of a switchgear assembly with a bus brace comb assembly having a front comb assembly and a rear comb assembly, the method comprising the steps of:
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positioning each channel bus bar in a bus clip of the front comb assembly;
installing an interlock clamp to couple with at least one flange of a channel bus bar in each power phase;
fastening another bus clip-to the interlock clamp; and
coupling a rear brace to each bus clip/interlock clamp assembly, wherein the flange of the channel bus bar is pinched in the interlock clamp/bus clip assembly to secure the channel bus bar. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification