Product Specifications

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Product Description

Overview

Quick Details

Place of Origin:Liaoning, China

Brand Name:getai/gthec

Model Number:pelton water turbine runner

Type:Generator

Electricity Generator Type:Hydro Power

Output Voltage (V):4000

Material:stainless steel under ASTM/ GB/ JIS/ EN

Application:water turbine, turbina, water power, generating units

Main Customers:Toshiba, Hitachi, DEC, HEC, BHEL

Refining:Ultra-low carbon VOD/AOD

Machining:CNC/ manual grinding

Moulding/Shaping:forged/ casted

Spare parts 1:wicket gate, guide vane,distributor center, shaft vertical

Spare Parts 2:thrust collar, blade, nozzle, jet, crown, band, bearing, valves

Testing & Inspection:ASNT, UT. PT. RT ,MT, CFD, prototype tests, commissioning

Target:Renovation, replacement, upgrade, improvement, Rehabilitation

Supply Ability

Supply Ability: 1500 Ton/Tons per Year

Packaging & Delivery

Packaging DetailsWooden case packed and suitable for both land and sea transportation.PortDalian International Port,China Lead Time : 4-6 months after order

Online Customization

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.magic-68{font-family:inherit;font-size:inherit;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit}Products Description

Pelton Turbine

Pelton turbine is suitable for power plant with high water head and small flow. For high water head project, compared with Francis Turbine, Pelton turbine could substantially reduce civil excavation work. The key turbine components includes Pelton runner,shaft, jet and nozzle assembly ,spiral case etc.

Application Scope

Equipped with advanced computer CAD workstation hardware system and software system, three-dimensional drawing software, such as ANSYS analysis software and UG and Solid Works, which could be used to analyze the strength and stiffness of the whole unit, simulate the assembly, motion, all these measures helps ensure the design quality.

Product Design

Design Capability Brief Introduction

Getai technician team is consisted of professional engineers with lot of real field experiences and senior consultants. The company had accumulated a wealth of experience in hydropower equipment development, production, installation and commissioning. GETAI had got 15 utility model patents.

Our company set up GESE Hydro Upgrades Inc. in Canada in 2015,The mission of our new company is to supply custom-designed and optimized turbine parts with highest efficiency, stability and cavitation safety, while fitting existing stationary components and operating within the desired range and under conditions imposed by the intake, distributor and draft tube through application of a Multi-Objective Design Optimisation Algorithm (M-ODOA).

The M-ODOA methodology, which includes Computational Fluid Dynamics (CFD) and Finite Element Analysis (FEA) modules, has been effectively applied in lot of power plants. Our turbines’ performance has been repeatedly verified by full efficiency tests (IEC code), and annual inspections have confirmed their conformance to the appropriate safety margins for cavitation and structural integrity.

Equipped with advanced computer CAD workstation hardware system and software system, three-dimensional drawing software, such as ANSYS analysis software and UG and Solid Works, which could be used to analyze the strength and stiffness of the whole unit, simulate the assembly, motion, all these measures helps ensure the design quality.

Computer Simulation Technology CFD Analysis

CFD, or computer fluid mechanics, uses numerical analysis and data structures to solve and analyze problems that involve fluid flows. Computers are used to perform the calculations required to simulate the interaction of liquids with surfaces defined by boundary conditions.

Flow Simulation for Pelton Runner

Finite Element Analysis

Finite element analysis (FEA) method simulate the real physical system (geometry and load conditions) by means of mathematical approximation.

To solve problem, it subdivides a large problem into smaller, simpler parts that are called finite elements. The simple equations that model these finite elements are then assembled into a larger system of equations that models the entire problem. 

FEA could help increase accuracy, enhance design and better insight into critical design parameters, virtual prototyping. FEA method is applied for the runner design of some special power stations, especially the high head Pelton power station, according to the simulation analysis of force and displacement of the runner under various working conditions, we find the weak links and strenghten it accordingly, so runner’s strength ect overall performance could be better guaranteed, service life extended. Through the finite element analysis, bucket broken and crack phenomenon which caused by strength problems could be effectively prevented, thus ensure the unit safety.

Hydraulic optimization design

Select the appropriate efficient runner according to experience, then establish accurate digital model through computer software, next proceed with power station flow channel simulation analysis, optimize the runner according to analysis results, after verficication finally get the runner suited to the specific operating conditions of the power station.

For Pelton runner, numerical simulation of the bucket number and the strength of the runner is carried out. For Francis runner, flow passage and the operating condition will be analyzed,coupled with effective machining process, runner’s various hydraulic performance will be guaranteed, with the help of surface flow part analysis tools, a high overcurrent reflective surface could be obtained (shown in Figure below), thus improve overflow performance, effectively ensuring the safe operation of power plants.

Pelton runner Overflow surface analysis

Three-dimensional Assembly

With the development of science and technology and the progress of the calculation industry, three-dimensional modeling is utilized to help optimize the design of assembly structures, such as turbine distribution system and injecting pipe etc. For power station renovation project, new practical structure needs to be applied while at the same time the interface dimension have to be kept remain unchanged, so it pose lot of restrictions, through three-dimensional design software, we are able to simulate the assembly of vairous components in accordance with the actual situation of power plant, it could help effectively prevent and quickly solve the interference problem between different components; what is more, through movement simulation, the whole system become crystal clear and conductive to the machining and pre-assembly.

3D Assembly

Pelton Turbine Unit:Runner,Main shaft,Spiral Case,Nozzles,Collecting pipeline.............

VUCJE POWER STATION UPDATING

Pelton Turbine Unit

The Main Requirements:The existing big turbines have low efficiency.the two small units have the problems in their nozzle orifice and needle valves, so their operation efficiency is very low. The existing turbines need to be repaired (due to grease-leakage and painting failure, etc.). The visible parts of the big unit operate occasionally.

Rehabitation Difficult Point:These units are planned to operate for tourism purpose.These units now become the cultural relics,and in order to maintain their original appearance, these turbines are not allowed to make significant changes, and the turbine types and forms shall not be changed.

Solution:A new set of vertical 6-nozzle Pelton turbine is designed and manufactured as per modern standards, and shall be installed in the auxiliary plant. After the new unit is put into operation, the original three old units were shut down for cultural protection and tourism.

Turbine Model：CJGT003-L-78/6×7.5 Turbine Output：1356 KW

The Other Products

Packaging & Delivery

Wooden case or wooden tray etc.

FAQ

What are our Getai advantage compared with other suppliers?

More than 20 years of successful hydro turbines design,production and exporting experience, certified suppliers for world renowned companies such as: MITSUBISHI HITACHI POWER SYSTEMS, LTD.(MHPS), Toshiba, GE, BHEL,DEC,HEC, CHD ect, high performance versus price ratio product , help achieving your goals within budget and time frame.

Reliable, Easy to work with, Knowledgeable and we add value. Are you trading company or manufacturer ? Is OEM service available?

We are a factory with more than 20 years of successful hydro turbine manufacturing experience, OEM service is available.

How long is your delivery time?

Generally it is 120-270 working days upon contract signing and receipt of prepayment.

What parameters are needed for the turbine generator quotation?

Normally we need rated water head, rated flow, rated installed capacity,voltage, frequency and rotation speed. The more information the better.

Do you offer water turbine installation service?

Yes. Installation service is available upon request.

What kinds of test and inspection is carried out to ensure product quality?

Mechanical property, chemical composition, hardness, surface roughness, Dimension check, profile check, NDT Testing ( UT/MT/RT/PT), balancing, pressure test ect, is strictly carried out according to relevant international standards.

What is the standard packing and transportation means?

 Product will be packed in solid and safe sea-worthy cases, the properly packaged and marked product could be delivered to any port or site as specified in the Contract by ship, plane,truck or express mail.

What is the standard payment terms ?

Usually we accept T/T and L/C.

What kinds of guarantee provided?

Product warranty for 12 months after commissioning on site or 18 month after delivery whichever come first; We offer lifelong follow-up services for our products, and we will response to client requirements within 24 working hours.

Which INCOTERMS 2010 can we conduct?

We can work according to FOB, CFR, CIF,DDP, DDU etc.Incoterms.

Supply Ability

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Packaging and Shipping

Lead time

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Port

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Packaging details

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