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Shandong Overseas Machinery & Equipment I/E Co., Ltd.

Mini Hydro Power Plant, Power Plant, Thermal Power Plant manufacturer / supplier in China, offering Mini Hydro Power Plant, Air Filter, Purification Equipment and so on.

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Mini Hydro Power Plant

FOB Price: Get Latest Price
Min. Order: 1 Set
Port: Qingdao, China
Production Capacity: 3-5 Projects Per Year
Payment Terms: L/C, T/T

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Basic Info
  • Capacity: 1.0MW~15MW.
  • Frequency: 50Hz / 60Hz
  • Transport Package: Seaworthy Packing
  • Origin: China
  • Outgoing Voltage: 6.3KV, 11KV
  • Trademark: SOMEC
  • Specification: GB / ASME / EN / BS
Product Description
Mini Hydro Power Plant

Mini hydro power plant means the one with unit capacity of 1.0MW~15MW. It has many advantages such as mature technology, little impacts on the environments andavailability for mountainous country with rich water resources. As an important supplement to thermal power generation, mini hydro power plant has both good economic benefits and significant social effects.
The mini hydro power plant mainly includes water turbine, generator, speed governor and excitation system. It often uses francis type water turbines which has a compact structure and high efficiency. The generator, speed governor and excitation system can be selected as per actual requirements. Our equipment in mini hydro power plant meets IEC standard and has been installed according to instructions, to ensure reliable operation.
According to our experiences in hydro power projects, we will take a proposal of 3*2.5MW hydro power plant as an example to show a complete configuration of mini hydro power plant.

Configuration Parameter
Design Net Head                      : H=90.6m
Design Discharge                     : Q=3×2.72m3/s
Installed Capacity                      : 3×2100KW
Generator Outgoing Voltage     : 6.3KV
Grid Voltage                              : 20KV

Scope of Supply
  1. Water Turbine, Generator and Auxiliary Equipment
1.1Francis type water turbineHorizontal Francis type, speed 750rpm, runner material 0Cr13Ni4Mo. Including:
Water guide mechanism, speed governing mechanism, runner, expansion joint, bent draft tube, conical draft tube, anchor bolt, fixtures, etc.
Runner, impeller and impeller blade are machined by CNC(higher efficiency and easy future maintenance).
Power: 2100KW; 750rpm; silicon controller excitation, 6.3KV, 50Hz; F/F insulation, power factor 0.8, horizontal type, includes rotor, stator, bearing assembly, base, main shaft, anchor bolt fixtures, etc.
1.3Microcomputer excitation systemExciting power unit, exciting regulator, dry type exciting transformer, panel and accessories.3Sets
1.4Speed governor (with oil pressure device)GLYWT-1000-16MPa
PLC controlled; intelligent PID, separated type; including oil pump, oil tank, HP gas tank, digital valve, servomotor, cabinet, etc.
1.5Water intake ValvesMotorized butterfly valve, including valve body, actuator, bypass valves, expansion joint, flange, connecting bolts, etc.3Sets
1.6Water system   
1.6.1Cooling water systemWater from turbine volute to cool generator bearings. Including 3 sets cooling water filters, piping, valves, elbows, joints, etc.1Set
1.6.2Temperature measuring brake control cabinetTemperature measurement and alarm, speed measurement and alarm, and brake control3Sets
1.7Special toolsSpecial installation and dismounting tools for water turbine, impeller, generator and speed governor.3Sets
  1. Microcomputer monitor, protection and automation
2.1Computer monitoring systemOperation station, display, voice alarm system, UPS power, GPS clock, communication manager, operation system, development software and monitor software.1Set
2.2Automation componentsWater level sensor, braking system (controlled by oil pressure), shear pin, shear pin annunciator, temperature elements, volute inlet water pressure gauge, draft water vacuum pressure gauge, draft water vacuum breaking valve (auto), cooling water flow indicator3Sets
2.3Unit LCULocal control unit, data collecting and pre-processing; synchronization, over-temperature protection, over speed, low frequency, speed measurement, automatic synchronization, automatic frequency & power adjustment, automatic excitation increase & decrease, generator automatic measurement (3 phase current, 3 phase voltage, active power, reactive power, frequency, COSψ, active KWh, reactive KWh, generator temperature, etc),3Sets
2.4Common LCU2 sets of transformation protection (differential protection and backup protection), multi-functional feeding line protection, switchgear signals, power station auxiliary system signals acquisition, and transformer & outdoor line metering. 2Sets
  1. 6.3KV indoor HV system
3.1Generator outgoing CB cabinetGenerator VS1 CB cabinet (including CT)
Synchronization, current metering, and emergency cut out
3.2GeneratorPT cabinetVoltage measurement and signal acquisition (excitatory transformer is installed inside)3Sets
3.3Generator neutral point groundingTail end current transformerLZZBJ9-1018Pcs
3.4Bus-barPT cabinet 1Set
  1. Power station auxiliary power system
4.1DC power supply   
4.1.1DC charging & feeding panel battery pack220V/100Ah, 12V / 17 Festival micro-computer DC system monitoring device, high frequency switch rectifier power supply, dual power switch, AC/DC sampling box, micro-computer insulation monitor, battery petrol detector, metering instruments, and feed line unit220V/100Ah,12V/17 pcs1Set
4.2AC power   
4.2.1Diesel generatorBackup power supply1Set
4.2.2Station distribution panelDZ47-32 air switch, circuit breaker, current transformer 1Set
  1. 20KV outdoor HV system
5.1Main transformer S11-5000/20,20KV/6.3/KV Y,d111Set
5.2Main transformer S11-2500/20,20KV/6.3/KV Y,d111Set
5.3Circuit breakerZW7-40.5/T1600 (with CT)4Sets
5.4Isolating switchGW5-22G/6305Sets
5.5Isolating switchGW5-22G/6302Sets
5.6Fuse RXW0-22/0.5 (3 pcs/group)2Sets
5.7Fuse RXW0-22/4(3 pcs/group)1Set
5.8Transformer for auxiliary stationS11-80KVA-20KV/0.4KV
LV voltage:400V;HV voltage:20KV
5.9Potential transformerJDJ-20   20KV/0.1KV2Sets
5.10Potential transformer JDJJ2-20
20KV/ 3 0.1KV/ 30.1KV/3
5.11Lightning arrestorHY5WZ-42/134(3 pcs/group)2Sets
5.12Metering device MODEL data transmissionWithepoxy outdoor type PT andCT1Set
6Spare parts and special tools
7Hoisting equipment for power station
8Air compressing system
9Oil supply system
10Drainage system
11Ventilation system
12Firefighting system
13Outdoor lighting system (by Owner)
14Administration and living facilities (by Owner)
15Maintenance workshop and laboratory (by Owner, if necessary)
16Security guard and monitoring (by Owner)

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