Megatro 1000kv 10ga-Sz3 DC Tangent Tubular Iron Tower

• Usage: Crossing Tower, Tension Tower, Angle Tower, Terminal Tower, Transposition Tower, Branching Tower, According to Client Requirements
• Conductor Circuit: Double Circuit
• Certification: ISO, GS
• Materials: Steel
• Standard: Nonstandard
• Style: Independence Tower
• Model NO.: MGP- 1000KV-10GA-SZ3
• Structure: According to Client Requirements
• Design Software: Pls
• Accessories 1: Power Fitting
• Accessories 2: Conductor and Cable
• Accessories 3: Earth Wire and Opgw
• Accessories 4: Tower Foundation and Anchor Bolt
• Accessories 5: Tower Earthing Kits and Lightning Rod
• Accessories 6: Aviation Light
• Accessories 7: Insulator
• Accessories 8: Anti-Bird Devices
• Accessories 9: Anti-Climbing Devices
• Other Services 1: Project Budget
• Other Services 2: Engineering Consultant
• Other Services 3: Installation Guide
• Transport Package: Export Standard Package
• Specification: As per client requirements
• Trademark: MEGATRO
• Origin: Shandong, China
• HS Code: 73082000
• Production Capacity: 50000 Tons/Year

Product Description

MEGATRO 1000KV 10GA-SZ3 DC tangent tubular iron tower


This photo refers to our 1000KV 10GA-SZ3  DC tangent tubular iron tower, it is widely used in our Chinese market. Some of technical features of this tower as follow:
1 climate condition

Item	Temperature (ºC)	Wind speed (m/s)	Ice thickness (mm)
Max. temperature	40	0	0
Mini. temperature	-20	0	0
Ice thickness	-5	10	10
Basic wind speed	-5	27	0
Installation condition	-10	10	0
Annual temperature	15	0	0
Lightning overvoltage	15	10	0
Operation overvoltage	15	16	0

2 Technical specification of conductor and OPGW

Item		Conductor	OPGW
		JL/G1A-500/35	JLB20A-240-20AC
construction	AL	45×3.76
	Steel(Al wrap steel )	7×2.51	19×3.4
Cross-section (mm^2)	Al	500.00	43.13
	Steel	34.60	129.37
	Total	535.00	172.5
Diameter		30.11	17.01
Length mass (kg/km)		1650.2	1152.0
Elastic module (MPa)		63000	147200
coefficient of linear expansion (1/ºC)		20.9×10^-6	13.0×10^-6
Rated broken (N)		119410	203380

3 tower design data

Tower type	Nominal Height Scope (mm)	Horizontal span (m)	Vertical Span (m)	Angle º	Nominal height tower weight Kg
10GA-SZ4	690	480-780	400	0	69

4 type and force of conductor and OPGW

Power voltage	1000KV 10GA-SZ4	Conductor type	8×JL/G1A-500/35	Max. operation Tension force (KN/phase)	452.032	Un-balance Stress value(%)	20
		OPGW Type	JLB20A-240-20AC	Max. operation Tension force (KN/pc)	65.003	Un-balance Stress value(%)	100

5 Operation data

Item	Horizontal span (m)	Vertical Span (m)	Representative Span (m)	Angle º	Height (m)	KV
data	690	480-780	400	0	69	0.8

6 loading data

Site condition				Normal operation condition			Non-uniform Ice condition	Broken	Installation condition
				Basic wind speed	Ice	Mini. temperature
Climate condition (t/v/b)				-5/27/0	-5/10/10	-20/0/0	5/10/10	-5/0/10	-10/10/0
Horizontal loading		conductor		137850	30873	0	38064	0	14784
		Insulator Power fitting		5704	570	0	570	0	1928
		Jump & string		--	--	--	--	--	--
		OPGW		14197	4968	0	4968	0	1503
Vertical loading		conductor		133493	203544	130198	184493	203544	210924
		Insulator Power fitting		30287	33137	30287	33137	30137	26200
		Jump & string		---	--	--	--	--	--
		OPGW		14052	25573	13966	22592	25468	29955
Climate condition (t/v/b)				-5/27/0	-5/10/10	-20/0/0	5/10/10	-5/0/10	-10/10/0
Stress  force	conductor		One side	387440	447608	330600	--	--	359424
			The other side	387440	447608	330600	--	--	359424
			Stress differences	0	0	0	45203	90407	0
	OPGW		One side	48854	65003	46743	--	--	47933
			The other side	48854	65003	46743	--	--	47933
			Stress differences	0	0	0	13001	65003	0

7 Foundation distance size

Nominal Height (m)	Foundation distance (mm)		Anchor bolt
	Front distance	Side distance	Type and quantity	Distance /radius (mm)	Material
54	19498	19498	8×M76	565	Chinese type 45 steel
57	20248	20248		565
60	20998	20998		565
63	21748	21748		565
66	22498	22498		565
69	23248	23248		565
72	23998	23998		565
75	24748	24748		565

8 Foundation force

Nominal Height (m)	Tx	Ty	T	Nx	Ny	N
54	1407.57	-573.38	-544.1	-5704.3	-779.44	-746.86
57	4136.55	-575.49	-548.81	-5733.51	-781.5	-751.87
60	4163.46	-577.28	-552.65	-5760.64	-783.2	-755.88
63	4167. 2	-585.76	-557.03	-5791.03	-789.85	-759.64
66	4194.11	-586.76	-559.2	-5818.13	-791.04	-761.83
69	4148.48	-592.09	-569.57	-5928.48	-824.07	-801.51
72	4176.87	-593.37	-570.81	-5957.03	-824.28	-801.46
75	4203.53	-594.57	-572.20	-5983.84	-824.71	501.93

Remark: above technical data only references for our client, we can design every type for our overseas clients.

MEGATRO is a full service engineering company with a global reputation for delivering excellence and innovation in power transmission, transformation, distribution, and telecommunications systems. Our MEGATRO provide and design this type 1000KV 10GA-SZ3  DC tangent tubular iron tower mainly for our Chinese and overseas client. Since 2004, MEGATRO focus mainly international market and had export many kind of transmission structures to overseas clients. MEGATRO has been manufacturing lattice transmission tower & tapered steel poles for lighting, traffic control, communication and utility applications. MEGATRO pioneered the development of transmission tower, telecom tower, substation, and other steel structure and was also at the forefront in the design of Transmission tower.