CN208939860U - A kind of composite structure of Generator Set starting cabinet - Google Patents
A kind of composite structure of Generator Set starting cabinet Download PDFInfo
- Publication number
- CN208939860U CN208939860U CN201821863026.9U CN201821863026U CN208939860U CN 208939860 U CN208939860 U CN 208939860U CN 201821863026 U CN201821863026 U CN 201821863026U CN 208939860 U CN208939860 U CN 208939860U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- phase
- shifting transformer
- power unit
- unit cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of Eletrric Generators (AREA)
Abstract
The utility model relates to a kind of composite structures of Generator Set starting cabinet, belong to Generator Set start-up technique field.Technical solution is: including phase-shifting transformer cabinet (1), power unit cabinet (2) and control unit cabinet (3), three cabinet bodies are successively put parallel, the panel of phase-shifting transformer cabinet (1) is equipped with PLC display screen (12), and phase-shifting transformer cabinet (1), power unit cabinet (2) and control unit cabinet (3) top are equipped with cooling system (8)；The phase-shifting transformer cabinet (1) and power unit cabinet (2) are connected by networking bus, then connect generating set；Phase-shifting transformer cabinet (1), power unit cabinet (2) and control unit cabinet (3) are both connected to PLC display screen (12) by signal wire parallel connection, all signal wires.The beneficial effects of the utility model are: each starting cabinet is in same operating surface, intuitively reflects operating status, discover and rule out failure in time.
Description
Technical field
The utility model relates to a kind of composite structures of Generator Set starting cabinet, belong to Generator Set starting skill
Art field.
Background technique
Currently, using auto-transformer reduced-voltage starting Generator Set, motor speed Slow lifting, starting current compared with
Height, complete equipment volume is larger, and each starting cabinet (phase-shifting transformer cabinet, power unit cabinet and control unit cabinet) is not at together
One operating surface cannot intuitively reflect operating status, be unfavorable for finding and debug, and required equipment is more, and route is longer, investment
It is larger, later period inspection and maintenance higher cost.
Summary of the invention
The utility model aim is to provide a kind of composite structure of Generator Set starting cabinet, and each starting cabinet is in same
One operating surface intuitively reflects operating status, discovers and rules out failure in time, solves the above problem present in background technique.
The technical solution of the utility model is: a kind of composite structure of Generator Set starting cabinet, includes phase shift transformation
Device cabinet, power unit cabinet and control unit cabinet, three cabinet bodies are successively put parallel, and the panel of phase-shifting transformer cabinet is equipped with PLC
Display screen, phase-shifting transformer cabinet, power unit cabinet and control unit cabinet top are equipped with cooling system；The phase-shifting transformer cabinet and
Power unit cabinet is connected by networking bus, then connects generating set；Phase-shifting transformer cabinet, power unit cabinet and control unit
Cabinet is both connected to PLC display screen by signal wire parallel connection, all signal wires.
Phase-shifting transformer cabinet is equipped with phase-shifting transformer and main circuit power, and power unit cabinet is equipped with UVW measuring unit, control
Well known control circuit is equipped in cabinet.
Phase-shifting transformer cabinet, power unit cabinet and control unit cabinet can be precisely controlled the starting current of synchronous motor, drop
The starting time of power demand, reduction Generator Set when low entirety route voltage fluctuation, reduction electric motor starting improves machine
Group starting efficiency quickly judges failure cause.With complete protection system, such as under-voltage/over-voltage protection, overcurrent protection, open-phase protection
Deng closed cabinet body safe coefficient is high, can also be achieved a distant place/two kinds of control modes, high degree ensure that operator on the spot
The safety of member, tour personnel and generating set.
The beneficial effects of the utility model are: each starting cabinet is in same operating surface, intuitively reflect operating status, in time
Discover and rule out failure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model schematic diagram of internal structure；
In figure: phase-shifting transformer cabinet 1, power unit cabinet 2, control unit cabinet 3, communication module 4, main circuit power 5, control
Power supply 6, control section 7, cooling system (frequency converter master control) 8, PWM module 9, frequency converter protect circuit 10, fault detection circuit
11, PLC display screen (human-computer interaction interface) 12, frequency converter operating instruction 13, frequency converter halt instruction 14, frequency converter stop command
15, frequency converter reset instruction 16, high-voltage board status signal 17, instruction input spare interface 18, one (4- of frequency converter given frequency
20mA) 19, frequency converter given frequency two (4-20mA) 20, frequency input spare interface 21, emergency stop 22, frequency conversion think highly of failure 23,
Frequency converter light fault 24, fault alarm 25, converting operation 26, frequency conversion are ready for signal 27, a distant place/on the spot 28, variable frequency starting signal
29, high pressure separating brake instruction 30, instruction output is ready for use interface 31, frequency converter running frequency 1, frequency converter running frequency 2 33, frequency
Rate output is ready for use interface 34, input signal instruction 35-43, output signal instruction 44-55, RS485Modbu module interface 56,
Profibus-db module interface 57, generating set 1M, phase-shifting transformer Y.
Specific embodiment
Technical solutions of the utility model are described in further detail with embodiment with reference to the accompanying drawing.
A kind of composite structure of Generator Set starting cabinet, includes phase-shifting transformer cabinet 1, power unit cabinet 2 and control
Unit cabinet 3, three cabinet bodies are successively put parallel, and the panel of phase-shifting transformer cabinet 1 is equipped with PLC display screen 12, phase-shifting transformer
Cabinet 1, power unit cabinet 2 and 3 top of control unit cabinet are equipped with cooling system 8；The phase-shifting transformer cabinet 1 and power unit cabinet 2
It is connected by networking bus, then connects generating set 1M；Phase-shifting transformer cabinet 1, power unit cabinet 2 and control unit cabinet 3 are logical
Signal wire parallel connection is crossed, all signal wires are both connected to PLC display screen 12.
Phase-shifting transformer cabinet 1 is equipped with phase-shifting transformer and main circuit power, and power unit cabinet 2 is equipped with UVW measuring unit, control
Control circuit is equipped in cabinet processed.Control circuit includes all frequency converter states, instruction, the display of communication information and feedback, and all
It is presented by the PLC display screen 12 on 1 panel of phase-shifting transformer cabinet.
Phase-shifting transformer cabinet 1, power unit cabinet 2 and control unit cabinet 3 can be precisely controlled synchronous motor starting current,
The starting time of power demand, reduction Generator Set when reducing whole route voltage fluctuation, reducing electric motor starting improves
Unit starting efficiency quickly judges failure cause.It is protected with complete protection system, such as under-voltage/over-voltage protection, overcurrent protection, phase shortage
Shield etc., closed cabinet body safe coefficient is high, can also be achieved a distant place/two kinds of control modes, high degree ensure that operation on the spot
The safety of personnel, tour personnel and generating set.
Phase-shifting transformer cabinet 1 is equipped with phase-shifting transformer and main circuit power 5, and power unit cabinet 2 is equipped with UVW measuring unit,
Control unit cabinet 3 be equipped with communication module 4 and control power supply 6, control section 7, cooling system (frequency converter master control) 8, PWM module 9,
Frequency converter is protected circuit 10, fault detection circuit 11, PLC display screen (human-computer interaction interface) 12, frequency converter operating instruction 13, is become
Frequency device halt instruction 14, frequency converter stop command 15, frequency converter reset instruction 16, high-voltage board status signal 17, instruction input are standby
Spare connect is inputted with interface 18, frequency converter given frequency one (4-20mA) 19, frequency converter given frequency two (4-20mA) 20, frequency
Mouthfuls 21, failure 23 is thought highly of in emergency stop 22, frequency conversion, signal is ready in frequency converter light fault 24, fault alarm 25, converting operation 26, frequency conversion
27, a distant place/on the spot 28, variable frequency starting signal 29, high pressure separating brake instruction 30, instruction output is ready for use interface 31, frequency converter operation frequency
Rate 1, frequency converter running frequency 2 33, rate-adaptive pacemaker spare interface 34, input signal instruction 35-43, output signal instruction
All components and connection line of 44-55, RS485Modbu module interface 56 and Profibus-db module interface 57.
Cooling system: ensureing the operation radiating requirements of high-voltage frequency converter, improves service life of equipment.
PLC display screen: touch panel and system control panel cooperate achievable real time human-machine interaction function, and display system is various
Status information, the various operating parameters of setting, temperature controller can adjust cooling system working order according to demand.
Control unit cabinet 3: it is made of master board, analyzing logic control plate and digital-to-analogue processing board.
Phase-shifting transformer cabinet 1: using H class B insulation, and resistance to shorting performance is strong, can reduce the influence to side harmonics, improves net
The power factor of side power supply.
Power unit cabinet 2: flexibly configurable power cell quantity and connection type, it can be directly to motor conveying 0-10kV electricity
Source.
When starting Generator Set, pre-incident survey and preparation are ready rear:
1, before starting, the PLC display screen on phase-shifting transformer cabinet 1 shows main interface, checks each information module state item by item
It is whether correct, there is without exception or warning message；
2, confirmation setting is correct, after feedback without exception, introduces the main power source on power supply buses；
3, into startup program；
4, about 8 minutes or so, the starting of Generator Set can be completed.
Claims (2)
1. a kind of composite structure of Generator Set starting cabinet, it is characterised in that: include phase-shifting transformer cabinet (1), power list
First cabinet (2) and control unit cabinet (3), three cabinet bodies are successively put parallel, and the panel of phase-shifting transformer cabinet (1) is aobvious equipped with PLC
Display screen (12), phase-shifting transformer cabinet (1), power unit cabinet (2) and control unit cabinet (3) top are equipped with cooling system (8)；It is described
Phase-shifting transformer cabinet (1) and power unit cabinet (2) are connected by networking bus, then connect generating set；Phase-shifting transformer cabinet
(1), by signal wire parallel connection, all signal wires are both connected to PLC display screen for power unit cabinet (2) and control unit cabinet (3)
(12).
2. a kind of composite structure of Generator Set starting cabinet according to claim 1, it is characterised in that: the phase shift
Transformer case (1) is equipped with phase-shifting transformer and main circuit power, and power unit cabinet (2) is equipped with UVW measuring unit, sets in control cabinet
There is control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863026.9U CN208939860U (en) | 2018-11-13 | 2018-11-13 | A kind of composite structure of Generator Set starting cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821863026.9U CN208939860U (en) | 2018-11-13 | 2018-11-13 | A kind of composite structure of Generator Set starting cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939860U true CN208939860U (en) | 2019-06-04 |
Family
ID=66727433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821863026.9U Expired - Fee Related CN208939860U (en) | 2018-11-13 | 2018-11-13 | A kind of composite structure of Generator Set starting cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208939860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040714A (en) * | 2020-07-15 | 2020-12-04 | 陕西麟北煤业开发有限责任公司 | Power supply and monitoring point of cooling fan of frequency converter power unit cabinet |
-
2018
- 2018-11-13 CN CN201821863026.9U patent/CN208939860U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040714A (en) * | 2020-07-15 | 2020-12-04 | 陕西麟北煤业开发有限责任公司 | Power supply and monitoring point of cooling fan of frequency converter power unit cabinet |
| CN112040714B (en) * | 2020-07-15 | 2022-10-11 | 陕西麟北煤业开发有限责任公司 | Power supply and monitoring point of cooling fan of frequency converter power unit cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20191113 |