-
Model NO.: MGP-500KV 5-5GT1-SSJ1
-
Conductor Circuit: Multi Circuit
-
Materials: Steel
-
Style: Independence Tower
-
Design Software: Pls
-
Accessories 2: Conductor and Cable
-
Accessories 4: Earth Wire and Opgw
-
Accessories 6: Anchor Bolts and Template
-
Accessories 8: Aviation Light
-
Trademark: MEGATRO
-
Specification: AS PER CLIENT
-
HS Code: 73082000
-
Usage: Crossing Tower, Tension Tower, Angle Tower, Terminal Tower, Transposition Tower, Branching Tower, According to Client′s Technical Specification
-
Certification: ISO
-
Standard: Nonstandard
-
Structure: According to Client′s Technical Specification
-
Accessories 1: Insulator and Power Fitting
-
Accessories 3: Earthing Kits
-
Accessories 5: Tower Foundation
-
Accessories 7: Lighting Rod
-
Accessories 9: Other Sevices as Per Client
-
Transport Package: Export Standard Package
-
Origin: Shandong, China
MEGATRO 500KV 5-5GT1-SSJ1 multi circuit light tension tubular steel tower

This photo refers to our 500KV 5-5GT1-SSJ1 multi circuit light tension tubular steel 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 |
-40 |
0 |
0 |
Ice thickness |
-5 |
10 |
10 |
Basic wind speed |
-5 |
31 |
0 |
Installation condition |
-15 |
10 |
0 |
Annual temperature |
-5 |
0 |
0 |
Lightning overvoltage |
15 |
10 |
0 |
Operation overvoltage |
5- |
17.5 |
0 |
Hot-line work |
15 |
10 |
0 |
Â
2 tower design data
Tower type |
Nominal Height scope (mm) |
Nominal Height (mm) |
Horizontal span (m) |
Vertical Span (m) |
Angle º |
Insulator Type |
Horizontal Span at angel condition |
5-5GT1-SSJ1 |
39~51 |
51 |
400 |
600 |
/ |
I type Insulator |
/ |
Conductor type: 4×LGJ -300/40 |
OPGW: JLB-100 |
Â
3. Tower estimated weight and foundation force
Tower Type |
Tower weight scope (kg) |
Foundation force scope (KN) |
Tmax |
Tx |
Ty |
Nmax |
Nx |
NY |
5-5GT1-SSJ1 |
12754~17098 |
443~485 |
39~52 |
38~51 |
609~640 |
53~56 |
51~54 |
Â
4Here is the design strength of Chinese tower steel
Steel material |
Anti-push, bending and press strength (N/mm2) |
Anti-shear strength (N/mm2) |
Grade |
Thickness or diameter (mm) |
Q235 Steel |
≤16 |
215 |
125 |
>16~40 |
205 |
120 |
>40~60 |
200 |
115 |
>60~100 |
190 |
110 |
Q345 Steel |
≤16 |
310 |
180 |
>16~35 |
295 |
170 |
>35~50 |
265 |
155 |
>50~100 |
250 |
145 |
Q420 Steel |
≤16 |
380 |
220 |
>16~35 |
360 |
210 |
>35~50 |
340 |
195 |
>50~100 |
325 |
185 |
Q460 Steel |
≤16 |
415 |
240 |
>16~35 |
395 |
230 |
>35~50 |
380 |
220 |
>50~100 |
360 |
210 |
Â
5 Here is the design strength of our Chinese tower bolts
Item |
Grade |
Anti-push strength (N/mm2) |
Anti-shear strength (N/mm2) |
Fastener for towers |
4.8 |
200 |
170 |
5.8 |
240 |
210 |
6.8 |
300 |
240 |
8.8 |
400 |
300 |
Anchor  bolts |
Q235 |
160 |
/ |
Chinese 35 steel |
190 |
/ |
Chinese 45 steel |
215 |
/ |
Â
Remark: above technical data only references for our client, we can design every type for our overseas clients.
Â
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 500KV 5-5GT1-SSJ1 multi circuit light tension tubular steel 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.
Over 10 years of experience and innovation in engineering, designing and building towers has evolved MEGATRO into its current form:
- Full Turn-Key provider including site acquisition, engineering services, manufacturing,  field services-DAS, tech services, value added reseller and monitoring, maintenance and network ownership
- Specialize in developing supplying and building wireless and wired networks and in-building telecommunications systems, as well as energy infrastructure
- Single source from Design to System Integration
- Top quality, ISO 9001 registered
A complete selection of towers including self-support, lattice steel tower, monopoles and guyed towers, form custom-designed radar towers to broadcast towers and energy infrastructure. MEGATRO carries a variety of related products including fall protection, transmission lines, antennas, obstruction lights, and accessories, and other products if client need, MEGATRO also tailored product as per client condition.
MEGATRO mainly design all kinds of towers and posts for:
- Telecoms
- Power transmission
- TV and Radio Broadcast
- Roads and City Development
- Wind energy solution
- Steel structure and workshop
Â
Our complete selection of towers includes:
- Self-supporting
- Monopoles
- Guyed towers
- Three Phase VFD
A single-phase VFD, also known as a variable frequency drive, is a specialized electronic device used for precise control and regulation of single-phase motors. Unlike three-phase motors that are commonly used in industrial applications, single-phase motors are predominantly found in residential and small-scale applications.
The primary function of a single-phase VFD is to control the frequency and voltage supplied to the single-phase motor, thereby enabling accurate regulation of motor speed. By adjusting the frequency and voltage output, the VFD allows for smooth and precise control over the motor's rotational speed. This feature is particularly useful in applications where speed control is required, such as in residential HVAC systems, small-scale machinery, and household appliances.
Energy efficiency is a significant advantage offered by single-phase VFDs. By adjusting the motor speed to match the load requirements, the VFD reduces energy wastage and improves overall energy efficiency. When the motor operates at a lower speed during periods of low demand, energy consumption is significantly reduced, resulting in energy savings and lower operating costs.
Motor protection is another important aspect addressed by single-phase VFDs. They incorporate various protective features, including overload protection, short circuit detection, and thermal protection, which help safeguard the motor against damage due to excessive current, voltage fluctuations, or overheating. This ensures reliable motor operation, prolongs the motor's lifespan, and reduces the risk of unexpected failures.
Harmonic filtering is also a critical consideration in single-phase VFD applications. When single-phase VFDs operate, they can introduce harmonics into the power supply, which may cause issues such as voltage distortions and interference with other electrical equipment. To mitigate these problems, single-phase VFDs often incorporate harmonic filtering techniques to suppress harmonics and ensure a clean and stable power supply, maintaining power quality and preventing damage to connected equipment.
Control algorithms play a significant role in single-phase VFD operation. These algorithms allow for precise control and adjustment of motor speed, ensuring smooth acceleration, deceleration, and accurate speed regulation. Advanced control algorithms enable efficient motor operation and enhance overall system performance.
In summary, single-phase VFDs provide precise control and regulation of single-phase motors in residential and small-scale applications. With their energy efficiency, motor protection features, harmonic filtering capabilities, and advanced control algorithms, single-phase VFDs enhance motor performance, reduce energy consumption, and ensure reliable operation in various residential and small-scale applications.
Three Phase Vfd,Ac Single Phase Gasoline Generator,220V Vfd,Ac Inverter
WuXi Spread Electrical Co.,LTD , https://www.vfdspread.com
June 15, 2023