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Submersible hydro turbine generators are standard serially produced units. It is a low head propeller design. Reaction turbines require a much larger amount of water flow than impulse styles, but can operate with as little as two feet of head, making them ideal for sites where there may be relatively flat land, but a large water flow. They use either a 'traditional' reaction style runner (propeller runner).a specially designed outlet tube increases the turbine power output by creating suction as the water exits the system.

Model

KST-0.55KW

Diameter of Runner

120mm

Nominal Power

0.55KW

Output Voltage

230V AC

Frequency

60 Hz

유량 25 ~ 55 Liter/s

Phases

Single-phase

Generator Style

Rear Earth Permanent Magnet

Synchronous Generator

Generator Mode

Vertical

Rotational Speed

1500RPM

Insulation Class

H(Temperature rise limit:125K)

Ingress Protection Waterproof Class

IP65

Efficiency (Max)

ηmax> 60 %

Power Factor

>0.98

Operation Surroundings Temperature

25℃~+60

Operation Surroundings Humidity

095%

Packaging Material

Fiberboard/ Wooden

Size & Weight

Size (L x W x H): cm

(345×345×510)

N.W. : 22KG

G.W. : 30KG

Safety

Short circuit Protection

Islanding ProtectionOver Heat

protectionOver Load Protection

Grounding Fault Protection

In order to provide optimal performance over a wide range, eight (8) different fixed guide vane angles are available. Runners are available with either four (4) blades. The runner blade angles have been set at the best degree. Induction generator is designed for submersible applications.

The turbine and generator are integrated into a single unit ready to be lowered down into simple compact structures. In a hydro turbine generator all components in the unit are designed to function together from the beginning. There are no transmission shafts to align when installing. Draft tubes, seats are prefabricated steel units, ready to be cast into the structure. While running, the generator is cooled by water flowing around it.

The construction is simple and fast; in most cases old structures can be adapted for use with small changes. The hydro turbine generator is not bolted into the structure. It is simply lowered down to a bottom seat for installation and it can be easily hoisted up for inspection and service. The submersible concept dramatically minimizes the impact on the environment, especially on the landscape, because most of the structure is placed either in the waterway or underground. In some applications the whole station is hidden, by being placed below the water surface. No more dominating power houses. But don’t pull down old beautiful mills or stations, put the submersibles under them and use the place in them as a museum or for other activities.

It is the most cost-efficient micro hydro concept!
1. Key Technical Data:
Water Head for installation:1.5—3.2m
Flow (m3/s):0.025---0.055
Output Voltage (v): 230V(AC)
Output Power (kw): 0.55
2. Station Site and Installation:
1) The site should be chose according to the flow and drop of water source.
Commonly, the drop should not be less than 3.2m. A water storage pond can be
build when the flow is not enough, storing at daytime and generating at night, but
the volume should not be less than 15-25m.
2) The unit should be installed in the place where it is convenient to charge and
no danger of flooding. It is much better to install close to the user’s house (the
best way is to install within house-yard when possible) in order to manage well
and reduce the investment for power transmit line.
3) The base structure may be built from local material. You can make a round
hole which has the diameter as same as the lower inner circle of the turbine frame
by using cement, wood-board, etc, and fasten it in screw or round nail, also it
should be positioned horizontally.

3. Operation Method:
1) Firstly, check whether all components are completed and the intake of penstock is blocked.
2) Then check whether the runner of turbine can be easily rotated, and rotated
in by hand to ensure the voltage meter has readings (put the output switch in OFF
position).
3) For the first starting, the output switch should be put in the voltage-stabilized
control position (A), then open the gate to let water out from small to large,
observe the readings meter till 220v or so continue enhancing water volume, the
voltage device is reliable if the reading keep still. At this time the load can be
connected, then adjust the water volume to hold the output of 220v or so. Once
the stabilizing device break down, put the switch in B, then the voltage of unit will
be under manual-controlled, you may follow the next procedure to control by
valve.
4) During the operation, the load should be kept stable as possible as can be.
Don't shut off the load suddenly, or else the high voltage will burn out the rest
load, if you must is connect the load, you may decrease water to small volume at
first, then disconnect the most part of load when the voltage has dropped to
below 220v (you must do as this even you run the unit under the using of
voltage-stabilizing device).
5) It need only close the valve to switch off the unit when the load has been
stable after first operation, the power switch may hold on so that you may adjust
voltage up to 200-220v directly for next running.

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