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SKiiP 4
SEMIKRON SKiiP 4 User Manual
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© by SEMIKRON
/
2017-09-
07 /
Technical Expl
anation
/ SKii
P
®
4
Page 44/73
Figure 5.32: DC link voltage sensor output 1200V system
Figure 5.33: DC-link voltage sensor output 1700V system
The value f
0Uana
=1,8kHz is marked in Figure 5.34.
Please note:
The SKiiP
®
4 for 1500V photovoltai
c applications do not protect against an DC-link
overvoltage. The user must take care of keeping the DC-link voltage wit
hin suitable limits in the
application.
43
45
Table of Contents
Section 1
2
Default Chapter
2
Table of Contents
2
1 Related Documents
4
2 Introduction
5
Figure 2.2: Half Bridge Definition
5
Heat Sink
6
Power Section
6
Figure 2.3: Half Bridge "Exploded Assembly View
6
Gate Drive Unit
7
Figure 2.4: Main Terminals Construction Principle
7
3 Topologies and Selection Guide
8
Type Designation Code
8
Overview of the Available Types and Current Ratings
9
Table 3-1: Skiip
9
4 Standards and Qualification Tests
10
Tests for Qualification and Re-Qualification
10
Electromagnetic Compatibility (EMC)
10
Table 4-1: Skiip
10
Table 4-2: Skiip
10
Isolation Coordination
11
Installation Altitude
11
Figure 4.1: Grounded Delta Grid
11
Figure 4.2: Star Grounded Circuit Network (690V-TN-Grid)
11
Table 4-3: Isolation Limits Skiip ® 4
11
Table 4-4: Altitude Correction Factors (IEC 60664-1)
12
Figure 4.3: Implementation of Additional Basic Isolation between Skiip
13
Figure 7.5: Skiip
14
Table 4-5: Installation Altitudes for Skiip
14
5 Gate Driver Board
15
Overview
15
Figure 5.1: Gate Driver Board Block Diagram
15
Gate Driver Interface "Skiface
16
Overview
16
Figure 5.2: Gate Driver Interface
16
Pin Description
17
Table 5-1: Pin Configuration Skiip ® 4
17
Figure 5.4: Overview Schematics Skiface Interface
19
External Power Supply
20
Table 5-2: Requirements to the Auxiliary Power Supply
20
Switching Signal Inputs
21
Figure 5.5: TOP/BOT PWM Signal Input
21
Figure 5.6: Threshold Level for HB_TOP and HB_BOT
21
Analogue Output Signals
22
Figure 5.7: Schematic View of the Analogue Output Signals
22
Figure 5.8: Application Example - Symmetric Wired Differential Amplifier. Terminal Description HB_I and
23
HALT Logic Signal
24
Figure 5.9: Application Example of the HALT Signal Processing for Separated Skiip
25
CMN_GPIO1 Signal
26
Figure 5.10: Application Example of the CMN_GPIO1 (Inverted HALT Signal) as Error Output Signal
26
Canbus Interface
27
Figure 5.11: CAN-Interface
27
Figure 5.12: CAN - Application Example for Several Skiip
27
Ground Connection
29
5.2.10 Shield and Protective Earth/Chassis Connection
29
Figure 5.13: Prevention of Ground Loops by Differential Amplifier Circuitry
29
Table 5-3: Ground Connections of Skiip ® 4
29
5.2.11 Reserved or Not Used Signals
30
Figure 5.14: Ground and Shield Connection. Principle Schematics for Ground and Shield Connection. Principle Equivalent Circuit of Switching Signal Inputs
30
Figure 5.15: Ground and Shield Connection. Principle Equivalent Circuit for Analogue Output Signals (Example: Temperature Output)
30
Gate Driver Board
31
Overview
31
Digital Signal Transmission
31
Power-On-Reset
31
Figure 5.16: Connection of Reserved and Not Used Signals at the User Controller Board
31
Interlock Dead Time Generation
32
Short Pulse Suppression
32
Figure 5.17: Power-On-Reset Timing Diagramm
32
Figure 5.18: Short Pulse Suppression
32
Intellioff
33
Figure 5.19 : Turn-Off Speed Scenarios
33
Table 5-4: Intellioff Functionality
34
Table 5-5: Power Loss Impact of Intellioff Operation
34
Error Management
35
Table 5-6: Error Delay Time
35
Table 5-7: Signal Characteristics of under Voltage Protection of the Primary Side
35
Figure 5.20: Switching Frequency Range
36
Figure 5.21: Timing Diagram for the TOP/BOT Overlapping Error Processing (T<3Μs)
36
Figure 5.22: Timing Diagram for the HB_TOP/HB_BOT Overlapping Error Processing (T>3Μs)
37
Analogue Signals / Sensor Functionality
38
Figure 5.23: no Short Circuit
38
Figure 5.24: Short Circuit During Operation
38
Figure 5.25: Short Circuit During Turn on
38
Table 5-8: Signal Characteristic of Current Measurement
38
Figure 5.29: Bode Diagram of the AC-Current Measurement at the Skiip4 Interface
41
Figure 5.30: Compensation Principle of Skiip
41
Figure 5.31: Characteristic between DCB-Sensor Temperature and the Voltage at CMN_TEMP
42
Table 5-9: Characteristics of the DCB-Temperature Sensor Circuit
42
Table 5-10
43
Figure 5.32: DC Link Voltage Sensor Output 1200V System
44
Figure 5.33: DC-Link Voltage Sensor Output 1700V System
44
Figure 5.34: Bode Diagram of the DC-Link Voltage Measurement at the Skiip4 Interface
45
6 Power Terminals
46
Electrical Limits
46
Mechanical Constraints
46
Torque at Terminal Connections
46
Table 6-1: Maximum Allowable Forces to Terminals
46
Figure 6.1: Maximum Forces at the Main Terminals
47
Figure 6.2: AC Connection
48
7 Application Hints
49
Verification of Design
49
Safe Operating Area for Skiip 4
49
Figure 7.1: Safe Operating Area for Standard Skiip ® 4
49
Maximum Blocking Voltage and Snubber Capacitors
50
Definition of Thermal Resistance
50
Figure 7.2: Definition of Thermal Resistances
50
Table 7-1: Snubber Capacitors for Skiip ® 4
50
Cooling and Coolant Circuit
51
Materials Used and Fluid Composition
51
Figure 7.3: Sensor Position in Skiip
51
Water Connection Description of Water-Cooled Skiip ® 4
53
Figure 2. 1: Skiip
53
Figure 5.3: Skiip
53
Figure 7.4: Skiip
53
Figure 7.6: Description of Fitting ISO 1179-2 - G 1/2 a - L
53
Figure 7.7: Description of Fitting ISO 1179-3 - G 1/2 a - G
54
Isolation Voltage Test (IVT)
55
Figure 7.8: Graphic Presentation of the Electrical Connections by the IVT Procedure
55
FRT (Fault Ride Through) - Function
56
Figure 7.9: Graphic Schematic of the Wind Mill
57
Figure 7.10: Graphic Presentation of Skiip
57
Figure 7.11: Graphic Presentation of Skiip
58
Figure 7.12: Graphic Presentation of the Driver Processing in FRT-Case
58
Solar Function
59
Figure 7.13: SOA for Skiip
59
Recommended Temperature Rating
60
Table 7-2: Operation Modes Skiip
60
Figure 7.14: Probability of a Failure During Operation Time
61
Figure 7.15: Skiip Driver Failure Rate Temperature Dependence Calculated According to SN29500
61
Figure 7.16: Position of the Driver Temperature Sensor Skiip4
62
Table 7-3: Default Values for the T
62
7.10 Switching Operation and Current Sharing between Paralleled Half Bridge Modules
63
Paralleling of Skiip 4
63
Figure 7.17: an Example of Skiip
64
AC Terminal Parallel Connection
64
Figure 7.18: Effects of Paralleling Skiip ® 4
64
7.12 Prevention of Condensation
65
Figure 7.19: Schematic Circuit Diagram
65
8 Logistics
66
Label
66
System Label
66
Figure 8.1: System Label of Skiip ® 4
66
Half Bridge Laser Label
67
Warranty Label
67
Data Matrix Code
67
Figure 8.2: Half Bridge Label of Skiip ® 4
67
Figure 8.3: Warranty Label of Skiip ® 4
67
Figure 8.4: Data Matrix Code of Skiip
67
Provisions and Handling after Use
68
Section 2
69
9 Abbreviations
71
10 Symbols
72
4
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SEMIKRON SKiiP 4 Specifications
General
Brand
SEMIKRON
Model
SKiiP 4
Category
Control Unit
Language
English
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