线路符号（Line symbol）.docVIP

线路符号（Line symbol） Appendix B Transmission line fault point flat graph model rules Central section point 0... 9910000... Twenty-nine thousand nine hundred and ninety-nine Line 10000... Nineteen thousand nine hundred and ninety-nine Corner 20000... Twenty-nine thousand nine hundred and ninety-nine 0 section connection point 1 draw X first, and then draw Z to the next point 2 draw Z first, and then draw X to the next point 3 lift to a little empty pen 4 the first water line point, draw the horizontal dotted line and the vertical solid line to the next point, note the water level elevation 5 draw the dotted line to the next point 6 to the line after painting (dotted line direction into a 45 degree angle with the plumb line) after the section and forward direction. The 7 line to the direction of drawing dotted lines (45 degree angle with the plumb line) after lift pen to the next point The special point of 8 section (dangerous point 50 degrees angle) 9 line forward direction, draw 2mm vertical line, pen to next point 10 after the direction of the line, draw the 2mm vertical line, then connect with the forward direction cross section point 51 underground pipeline 52 underground cable 61 navigable river 62 No navigable river 71 standard railway, rail top elevation 72 non-standard rail, rail top elevation 81 grade I highway, marking road surface elevation 82 grade II highway, marking road surface elevation 83 grade III highway 84 grade IV highway Two power lines, communication lines 100... Four hundred and ninety-nine 1. Power line 100... Two hundred and ninety-nine 111 cross the power line 112 over the ground point of the power line 113 lead the wire of the power line 114, over the power line sideline, the ground point and the same number of points on line 115 power line pole The ten digit represents the voltage level, and the hundred digit number indicates the power line number Voltage class 220V, 380V, 10KV, 35KV, 110KV, 220KV, 330KV, 500KV,, 64KV, 154KV Ten digits, 0123