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PPT Inženjering AD, 37-39, Bulevar Vojvode Mišića St., 11000 Belgrade

phone: +381 11 369 0 168; Fax: + 381 11 369 0 479, office@ppt-inzenjering.rs

Design   ActiveNetwork

HYDRO ELECTRIC POWER PLANT "ZAGORSKAYA 2" RUSSIA  2011


• CHAMBER OF INCIDENT-REPAIR GATES

Cylinder Ø 500/200 x 8300 mm ……………………………………………4 pcs

(with built-in rod style micro-pulse linear transducer)

Hydraulic drive unit
(Reservoir V = 1500 l, two pump units Q = 90  l /min, p = 350 bar, N = 45 kW) ………………………………………………………………………………...4 pc

Control blocks ................................................ ............................................... 4 pcs
Electric control cubicles ...................................................................................4 pc


The investor has approved of the project in July 2011. The production of the electro hydraulic control system for manipulation of the incident-repair gates has begun. The equipment was delivered in June 2012. Commissioning and final handover of equipment was carried out in March 2013.


NAVIGATION LOCK "GORODETS", RUSSIA,  2012


• NAVAL LOCK CHAMBER  SLIDE GATES

Cylinder Ø 350/160 x 5000 mm ……………………………………………8 pcs

(with built-in rod style micro-pulse linear transducer with SSI interface)

Hydraulic drive unit
(Reservoir V = 1100 l, two pump units Q = 60  l /min, p = 135 bar, N = 15 kW) ………………………………………………………………………………...8 pc

Control blocks ................................................ ................................................ 8 pcs
Electric control cubicles ...................................................................................8 pc


Each electric-hydraulic drive is designed to maneuver a single slide gate which enables the filling and emptying of naval lock chamber.
Design of a new electro-hydraulic control installation has been done, which facilitates easier manipulation of gallery slide gates.
The drive units and hydraulic cylinders were f
actory tested and delivered, as well as new control blocks, new electric cubicles and new pipe distribution system.
Commissioning of electro-hydraulic installation was carried out in two stages in April 2013 and April 2014.


HYDRO ELECTRIC POWER PLANT “DJERDAP II”, SERBIA - 2012


Modernization was performed over the original electro-hydraulic power system developed by PPT-Engineering in 1987, by delivery and commissioning of two standardized control blocks and two interface control cubicles at two of 10 hydraulic cylinders which drive emergency intake gates instead of existing control unit. All hydraulic components are based on cartridge valve technology.



NAVIGATION LOCK  “VOLGA-DON CANAL”, RUSSIA - 2012


The complete technical documentation was drafted for the electric-hydraulic drive for double gates manipulation at lower, middle and upper end of the navigation lock №№30-31 on the „Volga-Don“ canal. A project solution for motion control of the double gates was also developed as a combination volume-throttle control and frequency regulation.

The complete technical documentation was drafted for the electric-hydraulic drive for slide gates manipulation at lower, middle and upper end of the navigation lock №№30-31 on the „Volga-Don“ canal. A project solution for motion control of the slide gates was also developed as a combination volume-throttle control and frequency regulation.


NAVIGATION LOCK  “KRASNOGORSK” on the river IRTISH, RUSSIA - 2012


The complete technical documentation was drafted for the electric-hydraulic drive for working and spare double gates and slide gates manipulation of the Krasnogorsk navigation lock. A project solution for motion control of the slide gates was also developed based on volume-throttle control.


NAVIGATION LOCK  “KRASNOGORSK” on the river IRTISH, RUSSIA - 2013


• NAVAL LOCK WORKING AND SPARE DOUBLE GATES

Cylinder Ø 280/140 x 5000 mm ……………………………………………6 pcs

• NAVAL LOCK SLIDE GATES

Cylinder Ø 200/80 x 4600 mm ……..………………………………………2 pcs

(with built-in rod style micro-pulse linear transducer with SSI interface)


Hydraulic drive unit
(Reservoir V = 1300 l, two pump units Q = 210  l /min, p = 120 bar, N = 30 kW) ……………………………………………………………………………….. 4 pcs

Control blocks ................................................ ................................................ 8 pcs
Electric control cubicles ...................................................................................4 pcs


Two hydraulic drives at the lower head of the navigation lock  are designed to maneuver slide gates (filling and emptying of the navigation lock chamber), working and spare  double gates.

Two hydraulic drives at the upper head of the navigation lock  are designed to maneuver working double gates.
Design of a new electro-hydraulic control installation has been done, which facilitates easier manipulation of gallery slide gates and double gates.
The drive units and hydraulic cylinders were f
actory tested and delivered, as well as the control blocks, new electric cubicles and new pipe distribution system.
The equipment was delivered in
September 2013.



WATER ACCUMULATION  “KRASNODAR”, RUSSIA - 2013


The complete technical documentation was drafted for the electric-hydraulic drive for manipulation of 10 sections of 5 double hook gates for the regulation of water level in the accumulation. A project solution for motion control of the gate sections was developed based on volume-throttle control.

The complete technical documentation was drafted for the electric-hydraulic drive for the ecological lattice which helps fish return upstream to the lake. A project solution for motion control was based on volume-throttle control.



HYDRO ELECTRIC POWER PLANT “POLOTSKAYA”  , BELARUS - 2013


• RADIAL GATES

Cylinder Ø 320/160 x 6200 mm ……………………………………………12 pcs

• FLAP GATES (SPILLWAY)

Cylinder Ø 200/110 x 1800 mm ……..………………………………………4 pcs

(with built-in rod style micro-pulse linear transducer)


Hydraulic drive unit
(Reservoir V = 4000 l, two pump units Q =   (60+30) l/min, p = 200 bar, N = 30 kW) ………………………………………………………………………………...2 pcs

Control blocks ................................................ ................................................ 8 pcs
Electric control cubicles ...................................................................................2 pcs


Each hydraulic drive is designed to maneuver 3 radial gates and a flap gate which empty the water in the accumulation and provides synchronization of hydraulic cylinders driving the same gate.
The drive units and hydraulic cylinders were f
actory tested and delivered, as well as the control blocks, new electric cubicles and new pipe distribution system.
The equipment was delivered in
December 2013 and commissioned in December 2016.



NAVIGATION LOCK  “VOLGA-DON CANAL”, RUSSIA – 2014


 • WIRE ROPE FOR EMERGENCY VESSEL CONTAINMENT

Cylinder Ø 450/200 x 4500 mm ……………………………………………1 pcs


The hydraulic cylinder is a part of the electric-hydraulic system preventing vessels in the navigation lock chamber to hit the double gate. The hydraulic cylinder with complete technical documentation was manufactured, factory tested and delivered.

The equipment was delivered in May 2014 and commissioned in August 2014.



HYDRO ELECTRIC POWER PLANT “ZELENCHUKSKAYA”,  RUSSIA - 2014


• EMERGENCY SLIDE GATES

Cylinder Ø 250/110 x 5500 mm ………………………………………….…2 pcs

 (with built-in rod style micro-pulse linear transducer)


Hydraulic drive unit
(Reservoir V = 650 l, two pump units Q =   20 l/min, p = 150 bar, N = 7,5 kW) ………………………………………………………………………………...2 pcs

Control blocks ................................................ ................................................ 2 pcs
Electric control cubicles ...................................................................................2 pcs


Each hydraulic drive is designed to maneuver 1 emergency slide gate of the water intake.

The equipment was delivered in
December 2014 and commissioned in March 2016.



HYDRO ELECTRIC POWER PLANT “DJERDAP 1”,  SERBIA – 2014


• HYDRAULIC TRASH RACK

Control block……………………………………………………………….…1 pcs


The hydraulic control block is used  to maneuver the trash rack used to clear debris from the lake.

The hydraulic control block with complete technical documentation was manufactured, delivered and commissioned in September 2014.


HYDRO ELECTRIC POWER PLANT “NIZHNE BUREYSKAYA”, RUSSIA – 2014


• EMERGENCY-REPAIR SLIDE GATES


Cylinder Ø 450/200 x 13600 mm ………………………………………….…8 pcs

 (with built-in SSI encoder with draw wire for position measurement)


Hydraulic drive unit
(Reservoir V = 3800 l, two pump units Q =   70 l/min, p = 200 bar, N = 55 kW) ………………………………………………………………………………...4 pcs

Control blocks ................................................ ................................................ 8 pcs
Electric control cubicles ...................................................................................4 pcs


Each hydraulic drive is designed to maneuver 2 emergency repair-slide gates
The equipment was delivered in
July 2015. The commissioning of the equipment is underway at the moment (January 2017).



• SPILLWAY RADIAL GATES


Cylinder Ø 400/180 x 10500 mm ………………………………………….…10 pcs

(with built-in CAN bus encoder with draw wire for position measurement)


Hydraulic drive unit
(Reservoir V = 3600 l, two pump units Qmax = 55 cm3/o, p = 320 bar, N = 55 kW) ………………………………………………………………………………...2 pcs

Control blocks ................................................ ................................................ 5 pcs
Electric control cubicles ...................................................................................2 pcs


One hydraulic drive is designed to maneuver 4 spillway radial gates and the other for 6 spillway radial gates.

 The equipment was delivered in July 2015. The commissioning of the equipment is underway (January 2017).




NAVIGATION LOCK "№7", VOLGO-DON CANAL, RUSSIA,  2014


The complete technical documentation was drafted for two hydraulic drives used to maneuver a single gate at the upper head of the lock which enables the filling of naval lock chamber. A project solution for motion control was based on frequency regulation and volume-throttle control.


WATER ACCUMULATION  “KRASNODAR”, RUSSIA - 2015


• DOUBLE HOOK GATES


Hydraulic drive unit
(Reservoir V = 2200 l, two pump units Q =   41 l/min, p = 150 bar, N = 15 kW) ………………………………………………………………………………...2 pcs

Control blocks ................................................ ................................................ 2 pcs
Electric control cubicles ...................................................................................5 pcs

SSI encoder with draw wire for position measurement……………………....20 pcs


Electric-hydraulic drive for manipulation of 10 sections of 5 double hook gates for the regulation of water level in the accumulation. Each section is driven by 2 hydraulic cylinders with synchronized motion. 20 existing hydraulic cylinders were modified to accomodate encoder-type position sensor with wire rope.


• ECOLOGICAL LATTICES


Hydraulic drive unit
(Reservoir V = 1300 l, two pump units Q =   90 l/min, p = 150 bar, N = 22 kW) ………………………………………………………………………………...2 pcs

Control blocks ................................................ ................................................ 20 pcs
Electric control cubicles ...................................................................................2 pcs

SSI encoder with draw wire for position measurement…………………….....4 pcs


Two electric-hydraulic drives for the two ecological lattices which help fish return upstream to the lake. One of the drives is movable and is driven by a hydromotor which is a part of the electric-hydraulic drive. Each lattice is driven by 2 hydraulic cylinders with synchronized motion. 4 existing hydraulic cylinders were modified to accomodate encoder-type position sensor with wire rope.


The equipment was delivered in December 2015, and commissioned in December 2016..


NAVIGATION LOCK "№7", VOLGO-DON CANAL, RUSSIA,  2015


• NAVAL LOCK UPPER HEAD GATE

Cylinder Ø 360/200 x 8540 mm ………………………………………..……3 pcs

(with two built-in flexible micro-pulse linear transducers with SSI interface)

Hydraulic drive unit
(Reservoir V = 2500 l, two pump units Q = (350+100)  l /min, p = 150 bar,

N = 75 kW) …………………………………………………………………...2 pc

Control blocks ................................................ ................................................ 4 pcs


Two hydraulic drives is used to maneuver a  single gate at the upper head of the lock which enables the filling of naval lock chamber. Each hydraulic drive is used to maneuver a single hydraulic cylinder. The motion of the hydraulic cylinders is synchronized. The third cylinder is a spare part.

Hydraulic cylinder motion control was based on frequency regulation and volume-throttle control.

The equipment was delivered in November 2016. The commissioning is planned for February 2017.


HYDRO ELECTRIC POWER PLANT “JABLANICA”,  BOSNIA AND HERZEGOVINA - 2015


• EMERGENCY SLIDE GATES


Hydraulic drive unit
(Reservoir V = 1500 l, two pump units Q =   140 l/min, p = 110 bar, N = 30 kW) ………………………………………………………………………………...2 pcs

Control blocks ................................................ ................................................ 2 pcs


Each hydraulic drive is designed to maneuver 1 emergency slide pre-turbine gate.


• BYPASS VALVE


Hydraulic drive unit
(Reservoir V = 125 l, two pump units Q = 12 l/min, p = 25 bar, N = 2,2 kW) ………………………………………………………………………………...2 pcs


Each hydraulic drive is designed to maneuver 1 bypass valve for filling the tunnel with water.

 
The equipment was delivered in
February 2016 and The equipment for emergency slide gate No1 was commissioned in September 2016. The commissioning of equipment for emergency slide gate No2 is planned for September 2017.



HYDRO ELECTRIC POWER PLANT “DJERDAP II”, SERBIA - 2015


Modernization was performed over the original electro-hydraulic power system developed by PPT Inzenjering in 1987, by delivery and commissioning of two standardized control blocks and two interface control cubicles at another two of 10 hydraulic cylinders which drive emergency intake gates instead of existing control unit. All hydraulic components are based on cartridge valve technology.

The equipment was commissioned in November 2015.




HYDRO ELECTRIC POWER PLANT "SAYANO - SHUSHENSKAYA" - RUSSIA 2015


• EMERGENCY-REPAIR SLIDE GATES

Hydraulic drive unit ............................................... .................................... 10 pcs.
(Reservoir V = 3200 l, one pump unit Q = 88 l /min, p = 160 bar, N = 30 kW)

Control blocks ................................................ .............................................10 pcs
Electric cubicle ………………………………………………………….... 10 pcs


Electric hydraulic installation is designed to control emergency-repair slide gates (10 pcs) of HPP Sayano-Shushenskaya.

Design of the hydraulic control drive was carried out, as well as the assembly and factory testing of the drive units, control blocks, electric control cubicles and  pipe distribution system.

The equipment was  delivered in  November 2015. The commissioning of all 10 hydraulic units was completed in December 2016.




HYDRO ELECTRIC POWER PLANT “ROGUN”,  TAJIKISTAN - 2015


• EMERGENCY-REPAIR SLIDE GATES

Cylinder Ø 600/250 x 12600 mm ………………………………………….…2 pcs

 (with built-in rod style micro-pulse linear transducer)


Hydraulic drive unit
(Reservoir V = 4500 l, two pump units Q =   117 l/min, p = 250 bar, N = 90 kW) ……………………………………………………………………………….…...2 pcs

Control blocks ................................................ ................................................ 2 pcs
Electric control cubicles ...................................................................................1 pcs

Electric drive cubicles ......................................................................................1 pcs


HYDRO ELECTRIC POWER PLANT “SANGTUDA-1”,  TAJIKISTAN - 2015


• EMERGENCY-REPAIR SLIDE GATES


Hydraulic drive unit

(Reservoir V = 2600 l, 2 pump units Q =   400 l/min, p = 350 bar, N = 90 Kw, (axial-piston pumps flow and pressure regulated) and 2 pump units for piston chamber replenishment and additional pressure during gate lowering Q=  240 l/min, p=175bar, N=45kW (gear pumps))………………………………………………............................…………...1 pcs

Electric drive cubicles ..........................................................................….…..........4 pcs
Electric control cubicles .............................................................................…..........2  pcs


Electric-hydraulic drive is designed to maneuver 1 emergency-repair slide gates,
with the software solution enabling it maneuver any of the 4 emergency-repair slide gates. to Design of the hydraulic control drive was carried out, as well as the assembly and factory testing of the drive units, electric control cubicles and new pipe distribution system.

The equipment was delivered in July 2016.



Electric-hydraulic drive is designed to maneuver 2 emergency-repair slide gates.
Design of the hydraulic control drive was carried out, as well as the assembly and factory testing of the drive units and hydraulic cylinders, new control blocks, electric control cubicles and new pipe distribution system.

The equipment was delivered in September 2016.


HYDRO ELECTRIC POWER PLANT “JABLANICA”,  BOSNIA AND HERZEGOVINA - 2016


 • EMERGENCY SLIDE GATE

Cylinder Ø 500/180 x 6050 mm ……………………………………………1 pcs

(with built-in rod style micro-pulse linear transducer)


The hydraulic cylinder is a part of the hydraulic system delivered previously by PPT Engineering designed to maneuver emergency slide pre-turbine gate No1. The hydraulic cylinder with complete technical documentation was manufactured, factory tested and delivered.

The equipment was delivered and commissioned in September 2016.


SMALL HYDRO ELECTRIC POWER PLANT “VRGUDINAC”, SERBIA – 2016


• EMERGENCY SLIDE GATES


Cylinder Ø 160/80 x 3000 mm …………………………………………….…2 pcs

 (with built-in rod style micro-pulse linear transducer)

Cylinder Ø 125/80 x 2400 mm …………………………………………….…1 pcs

 (with built-in rod style micro-pulse linear transducer)


Hydraulic drive unit
(Reservoir V = 125 l, two pump units Q =   3,5 l/min, p = 170 bar, N = 2,2 kW) …………………………………………………………………………………....1 pcs

Control blocks ................................................ ................................................ 3 pcs


Each hydraulic cylinder is designed to maneuver 1 emergency slide gate.
The equipment was delivered in
December 2016. The commissioning of the equipment is underway at the moment (January 2017).



• SPILLWAY RADIAL GATES


Cylinder Ø 200/80 x 3700 mm ……………………….………………….……….6 pcs

 (with built-in rod style micro-pulse linear transducer)


Hydraulic drive unit
(Reservoir V = 1000 l, two triple-pump units Q = 3x22 l/min, p = 250 bar, N = 18,5 kW) …………………………………………………………………………………...1 pcs

Control blocks ................................................ ................................................ 6 pcs

The hydraulic drive is designed to maneuver 3 spillway radial gates. Two cylinders are used to maneuver each spillway radial gate and their motion is synchronized.

The commissioning of the equipment was completed in December 2016.